199905840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4871}}^1$

素因数の和:4912

約数の個数: 160

約数和(自身を含む): 724953600

約数和(自身を除く): 525047760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 4871, 5130, 6840, 8208, 9742, 10260, 13680, 14613, 19484, 20520, 24355, 29226, 38968, 41040, 43839, 48710, 58452, 73065, 77936, 87678, 92549, 97420, 116904, 131517, 146130, 175356, 185098, 194840, 219195, 233808, 263034, 277647, 292260, 350712, 370196, 389680, 438390, 462745, 526068, 555294, 584520, 657585, 701424, 740392, 832941, 876780, 925490, 1052136, 1110588, 1169040, 1315170, 1388235, 1480784, 1665882, 1753560, 1850980, 2104272, 2221176, 2498823, 2630340, 2776470, 3331764, 3507120, 3701960, 4164705, 4442352, 4997646, 5260680, 5552940, 6663528, 7403920, 8329410, 9995292, 10521360, 11105880, 12494115, 13327056, 16658820, 19990584, 22211760, 24988230, 33317640, 39981168, 49976460, 66635280, 99952920, 199905840]

約数ペア:

[(1, 199905840), (2, 99952920), (3, 66635280), (4, 49976460), (5, 39981168), (6, 33317640), (8, 24988230), (9, 22211760), (10, 19990584), (12, 16658820), (15, 13327056), (16, 12494115), (18, 11105880), (19, 10521360), (20, 9995292), (24, 8329410), (27, 7403920), (30, 6663528), (36, 5552940), (38, 5260680), (40, 4997646), (45, 4442352), (48, 4164705), (54, 3701960), (57, 3507120), (60, 3331764), (72, 2776470), (76, 2630340), (80, 2498823), (90, 2221176), (95, 2104272), (108, 1850980), (114, 1753560), (120, 1665882), (135, 1480784), (144, 1388235), (152, 1315170), (171, 1169040), (180, 1110588), (190, 1052136), (216, 925490), (228, 876780), (240, 832941), (270, 740392), (285, 701424), (304, 657585), (342, 584520), (360, 555294), (380, 526068), (432, 462745), (456, 438390), (513, 389680), (540, 370196), (570, 350712), (684, 292260), (720, 277647), (760, 263034), (855, 233808), (912, 219195), (1026, 194840), (1080, 185098), (1140, 175356), (1368, 146130), (1520, 131517), (1710, 116904), (2052, 97420), (2160, 92549), (2280, 87678), (2565, 77936), (2736, 73065), (3420, 58452), (4104, 48710), (4560, 43839), (4871, 41040), (5130, 38968), (6840, 29226), (8208, 24355), (9742, 20520), (10260, 19484), (13680, 14613)]