251503980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:736

約数の個数: 192

約数和(自身を含む): 879986688

約数和(自身を除く): 628482708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 73, 78, 84, 91, 105, 130, 140, 146, 156, 182, 195, 210, 219, 260, 273, 292, 364, 365, 390, 420, 438, 455, 511, 546, 631, 730, 780, 876, 910, 949, 1022, 1092, 1095, 1262, 1365, 1460, 1533, 1820, 1893, 1898, 2044, 2190, 2524, 2555, 2730, 2847, 3066, 3155, 3786, 3796, 4380, 4417, 4745, 5110, 5460, 5694, 6132, 6310, 6643, 7572, 7665, 8203, 8834, 9465, 9490, 10220, 11388, 12620, 13251, 13286, 14235, 15330, 16406, 17668, 18930, 18980, 19929, 22085, 24609, 26502, 26572, 28470, 30660, 32812, 33215, 37860, 39858, 41015, 44170, 46063, 49218, 53004, 56940, 57421, 66255, 66430, 79716, 82030, 88340, 92126, 98436, 99645, 114842, 123045, 132510, 132860, 138189, 164060, 172263, 184252, 199290, 229684, 230315, 246090, 265020, 276378, 287105, 322441, 344526, 398580, 460630, 492180, 552756, 574210, 598819, 644882, 689052, 690945, 861315, 921260, 967323, 1148420, 1197638, 1289764, 1381890, 1612205, 1722630, 1796457, 1934646, 2395276, 2763780, 2994095, 3224410, 3445260, 3592914, 3869292, 4191733, 4836615, 5988190, 6448820, 7185828, 8383466, 8982285, 9673230, 11976380, 12575199, 16766932, 17964570, 19346460, 20958665, 25150398, 35929140, 41917330, 50300796, 62875995, 83834660, 125751990, 251503980]

約数ペア:

[(1, 251503980), (2, 125751990), (3, 83834660), (4, 62875995), (5, 50300796), (6, 41917330), (7, 35929140), (10, 25150398), (12, 20958665), (13, 19346460), (14, 17964570), (15, 16766932), (20, 12575199), (21, 11976380), (26, 9673230), (28, 8982285), (30, 8383466), (35, 7185828), (39, 6448820), (42, 5988190), (52, 4836615), (60, 4191733), (65, 3869292), (70, 3592914), (73, 3445260), (78, 3224410), (84, 2994095), (91, 2763780), (105, 2395276), (130, 1934646), (140, 1796457), (146, 1722630), (156, 1612205), (182, 1381890), (195, 1289764), (210, 1197638), (219, 1148420), (260, 967323), (273, 921260), (292, 861315), (364, 690945), (365, 689052), (390, 644882), (420, 598819), (438, 574210), (455, 552756), (511, 492180), (546, 460630), (631, 398580), (730, 344526), (780, 322441), (876, 287105), (910, 276378), (949, 265020), (1022, 246090), (1092, 230315), (1095, 229684), (1262, 199290), (1365, 184252), (1460, 172263), (1533, 164060), (1820, 138189), (1893, 132860), (1898, 132510), (2044, 123045), (2190, 114842), (2524, 99645), (2555, 98436), (2730, 92126), (2847, 88340), (3066, 82030), (3155, 79716), (3786, 66430), (3796, 66255), (4380, 57421), (4417, 56940), (4745, 53004), (5110, 49218), (5460, 46063), (5694, 44170), (6132, 41015), (6310, 39858), (6643, 37860), (7572, 33215), (7665, 32812), (8203, 30660), (8834, 28470), (9465, 26572), (9490, 26502), (10220, 24609), (11388, 22085), (12620, 19929), (13251, 18980), (13286, 18930), (14235, 17668), (15330, 16406)]