28253400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{31}}^2$

素因数の和:95

約数の個数: 216

約数和(自身を含む): 105277860

約数和(自身を除く): 77024460

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 31, 35, 40, 42, 49, 50, 56, 60, 62, 70, 75, 84, 93, 98, 100, 105, 120, 124, 140, 147, 150, 155, 168, 175, 186, 196, 200, 210, 217, 245, 248, 280, 294, 300, 310, 350, 372, 392, 420, 434, 465, 490, 525, 588, 600, 620, 651, 700, 735, 744, 775, 840, 868, 930, 961, 980, 1050, 1085, 1176, 1225, 1240, 1302, 1400, 1470, 1519, 1550, 1736, 1860, 1922, 1960, 2100, 2170, 2325, 2450, 2604, 2883, 2940, 3038, 3100, 3255, 3675, 3720, 3844, 4200, 4340, 4557, 4650, 4805, 4900, 5208, 5425, 5766, 5880, 6076, 6200, 6510, 6727, 7350, 7595, 7688, 8680, 9114, 9300, 9610, 9800, 10850, 11532, 12152, 13020, 13454, 14415, 14700, 15190, 16275, 18228, 18600, 19220, 20181, 21700, 22785, 23064, 24025, 26040, 26908, 28830, 29400, 30380, 32550, 33635, 36456, 37975, 38440, 40362, 43400, 45570, 47089, 48050, 53816, 57660, 60760, 65100, 67270, 72075, 75950, 80724, 91140, 94178, 96100, 100905, 113925, 115320, 130200, 134540, 141267, 144150, 151900, 161448, 168175, 182280, 188356, 192200, 201810, 227850, 235445, 269080, 282534, 288300, 303800, 336350, 376712, 403620, 455700, 470890, 504525, 565068, 576600, 672700, 706335, 807240, 911400, 941780, 1009050, 1130136, 1177225, 1345400, 1412670, 1883560, 2018100, 2354450, 2825340, 3531675, 4036200, 4708900, 5650680, 7063350, 9417800, 14126700, 28253400]

約数ペア:

[(1, 28253400), (2, 14126700), (3, 9417800), (4, 7063350), (5, 5650680), (6, 4708900), (7, 4036200), (8, 3531675), (10, 2825340), (12, 2354450), (14, 2018100), (15, 1883560), (20, 1412670), (21, 1345400), (24, 1177225), (25, 1130136), (28, 1009050), (30, 941780), (31, 911400), (35, 807240), (40, 706335), (42, 672700), (49, 576600), (50, 565068), (56, 504525), (60, 470890), (62, 455700), (70, 403620), (75, 376712), (84, 336350), (93, 303800), (98, 288300), (100, 282534), (105, 269080), (120, 235445), (124, 227850), (140, 201810), (147, 192200), (150, 188356), (155, 182280), (168, 168175), (175, 161448), (186, 151900), (196, 144150), (200, 141267), (210, 134540), (217, 130200), (245, 115320), (248, 113925), (280, 100905), (294, 96100), (300, 94178), (310, 91140), (350, 80724), (372, 75950), (392, 72075), (420, 67270), (434, 65100), (465, 60760), (490, 57660), (525, 53816), (588, 48050), (600, 47089), (620, 45570), (651, 43400), (700, 40362), (735, 38440), (744, 37975), (775, 36456), (840, 33635), (868, 32550), (930, 30380), (961, 29400), (980, 28830), (1050, 26908), (1085, 26040), (1176, 24025), (1225, 23064), (1240, 22785), (1302, 21700), (1400, 20181), (1470, 19220), (1519, 18600), (1550, 18228), (1736, 16275), (1860, 15190), (1922, 14700), (1960, 14415), (2100, 13454), (2170, 13020), (2325, 12152), (2450, 11532), (2604, 10850), (2883, 9800), (2940, 9610), (3038, 9300), (3100, 9114), (3255, 8680), (3675, 7688), (3720, 7595), (3844, 7350), (4200, 6727), (4340, 6510), (4557, 6200), (4650, 6076), (4805, 5880), (4900, 5766), (5208, 5425)]