1276893100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 216

約数和(自身を含む): 3471111168

約数和(自身を除く): 2194218068

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 31, 35, 38, 50, 62, 70, 76, 95, 100, 124, 133, 140, 155, 163, 175, 190, 217, 266, 310, 326, 350, 361, 380, 434, 475, 532, 589, 620, 652, 665, 700, 722, 775, 815, 868, 950, 1085, 1141, 1178, 1330, 1444, 1550, 1630, 1805, 1900, 2170, 2282, 2356, 2527, 2660, 2945, 3097, 3100, 3260, 3325, 3610, 4075, 4123, 4340, 4564, 5053, 5054, 5425, 5705, 5890, 6194, 6650, 7220, 8150, 8246, 9025, 10106, 10108, 10850, 11191, 11410, 11780, 12388, 12635, 13300, 14725, 15485, 16300, 16492, 18050, 20212, 20615, 21679, 21700, 22382, 22820, 25265, 25270, 28525, 29450, 30970, 35371, 36100, 41230, 43358, 44764, 50530, 50540, 55955, 57050, 58843, 58900, 61940, 63175, 70742, 77425, 78337, 82460, 86716, 96007, 101060, 103075, 108395, 111910, 114100, 117686, 126325, 126350, 141484, 154850, 156674, 176855, 192014, 206150, 216790, 223820, 235372, 252650, 252700, 279775, 294215, 309700, 313348, 353710, 384028, 391685, 411901, 412300, 433580, 480035, 505300, 541975, 559550, 588430, 672049, 707420, 783370, 823802, 884275, 960070, 1083950, 1119100, 1176860, 1344098, 1471075, 1566740, 1647604, 1768550, 1824133, 1920140, 1958425, 2059505, 2167900, 2400175, 2688196, 2942150, 3360245, 3537100, 3648266, 3916850, 4119010, 4800350, 5884300, 6720490, 7296532, 7833700, 8238020, 9120665, 9600700, 10297525, 12768931, 13440980, 16801225, 18241330, 20595050, 25537862, 33602450, 36482660, 41190100, 45603325, 51075724, 63844655, 67204900, 91206650, 127689310, 182413300, 255378620, 319223275, 638446550, 1276893100]

約数ペア:

[(1, 1276893100), (2, 638446550), (4, 319223275), (5, 255378620), (7, 182413300), (10, 127689310), (14, 91206650), (19, 67204900), (20, 63844655), (25, 51075724), (28, 45603325), (31, 41190100), (35, 36482660), (38, 33602450), (50, 25537862), (62, 20595050), (70, 18241330), (76, 16801225), (95, 13440980), (100, 12768931), (124, 10297525), (133, 9600700), (140, 9120665), (155, 8238020), (163, 7833700), (175, 7296532), (190, 6720490), (217, 5884300), (266, 4800350), (310, 4119010), (326, 3916850), (350, 3648266), (361, 3537100), (380, 3360245), (434, 2942150), (475, 2688196), (532, 2400175), (589, 2167900), (620, 2059505), (652, 1958425), (665, 1920140), (700, 1824133), (722, 1768550), (775, 1647604), (815, 1566740), (868, 1471075), (950, 1344098), (1085, 1176860), (1141, 1119100), (1178, 1083950), (1330, 960070), (1444, 884275), (1550, 823802), (1630, 783370), (1805, 707420), (1900, 672049), (2170, 588430), (2282, 559550), (2356, 541975), (2527, 505300), (2660, 480035), (2945, 433580), (3097, 412300), (3100, 411901), (3260, 391685), (3325, 384028), (3610, 353710), (4075, 313348), (4123, 309700), (4340, 294215), (4564, 279775), (5053, 252700), (5054, 252650), (5425, 235372), (5705, 223820), (5890, 216790), (6194, 206150), (6650, 192014), (7220, 176855), (8150, 156674), (8246, 154850), (9025, 141484), (10106, 126350), (10108, 126325), (10850, 117686), (11191, 114100), (11410, 111910), (11780, 108395), (12388, 103075), (12635, 101060), (13300, 96007), (14725, 86716), (15485, 82460), (16300, 78337), (16492, 77425), (18050, 70742), (20212, 63175), (20615, 61940), (21679, 58900), (21700, 58843), (22382, 57050), (22820, 55955), (25265, 50540), (25270, 50530), (28525, 44764), (29450, 43358), (30970, 41230), (35371, 36100)]