191187880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:603

約数の個数: 128

約数和(自身を含む): 501782400

約数和(自身を除く): 310594520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 37, 38, 40, 52, 65, 74, 76, 95, 104, 130, 148, 152, 185, 190, 247, 260, 296, 370, 380, 481, 494, 520, 523, 703, 740, 760, 962, 988, 1046, 1235, 1406, 1480, 1924, 1976, 2092, 2405, 2470, 2615, 2812, 3515, 3848, 4184, 4810, 4940, 5230, 5624, 6799, 7030, 9139, 9620, 9880, 9937, 10460, 13598, 14060, 18278, 19240, 19351, 19874, 20920, 27196, 28120, 33995, 36556, 38702, 39748, 45695, 49685, 54392, 67990, 73112, 77404, 79496, 91390, 96755, 99370, 129181, 135980, 154808, 182780, 193510, 198740, 251563, 258362, 271960, 365560, 367669, 387020, 397480, 503126, 516724, 645905, 735338, 774040, 1006252, 1033448, 1257815, 1291810, 1470676, 1838345, 2012504, 2515630, 2583620, 2941352, 3676690, 4779697, 5031260, 5167240, 7353380, 9559394, 10062520, 14706760, 19118788, 23898485, 38237576, 47796970, 95593940, 191187880]

約数ペア:

[(1, 191187880), (2, 95593940), (4, 47796970), (5, 38237576), (8, 23898485), (10, 19118788), (13, 14706760), (19, 10062520), (20, 9559394), (26, 7353380), (37, 5167240), (38, 5031260), (40, 4779697), (52, 3676690), (65, 2941352), (74, 2583620), (76, 2515630), (95, 2012504), (104, 1838345), (130, 1470676), (148, 1291810), (152, 1257815), (185, 1033448), (190, 1006252), (247, 774040), (260, 735338), (296, 645905), (370, 516724), (380, 503126), (481, 397480), (494, 387020), (520, 367669), (523, 365560), (703, 271960), (740, 258362), (760, 251563), (962, 198740), (988, 193510), (1046, 182780), (1235, 154808), (1406, 135980), (1480, 129181), (1924, 99370), (1976, 96755), (2092, 91390), (2405, 79496), (2470, 77404), (2615, 73112), (2812, 67990), (3515, 54392), (3848, 49685), (4184, 45695), (4810, 39748), (4940, 38702), (5230, 36556), (5624, 33995), (6799, 28120), (7030, 27196), (9139, 20920), (9620, 19874), (9880, 19351), (9937, 19240), (10460, 18278), (13598, 14060)]