28505970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:376

約数の個数: 96

約数和(自身を含む): 79252992

約数和(自身を除く): 50747022

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 47, 69, 90, 94, 115, 138, 141, 207, 230, 235, 282, 293, 345, 414, 423, 470, 586, 690, 705, 846, 879, 1035, 1081, 1410, 1465, 1758, 2070, 2115, 2162, 2637, 2930, 3243, 4230, 4395, 5274, 5405, 6486, 6739, 8790, 9729, 10810, 13185, 13478, 13771, 16215, 19458, 20217, 26370, 27542, 32430, 33695, 40434, 41313, 48645, 60651, 67390, 68855, 82626, 97290, 101085, 121302, 123939, 137710, 202170, 206565, 247878, 303255, 316733, 413130, 606510, 619695, 633466, 950199, 1239390, 1583665, 1900398, 2850597, 3167330, 4750995, 5701194, 9501990, 14252985, 28505970]

約数ペア:

[(1, 28505970), (2, 14252985), (3, 9501990), (5, 5701194), (6, 4750995), (9, 3167330), (10, 2850597), (15, 1900398), (18, 1583665), (23, 1239390), (30, 950199), (45, 633466), (46, 619695), (47, 606510), (69, 413130), (90, 316733), (94, 303255), (115, 247878), (138, 206565), (141, 202170), (207, 137710), (230, 123939), (235, 121302), (282, 101085), (293, 97290), (345, 82626), (414, 68855), (423, 67390), (470, 60651), (586, 48645), (690, 41313), (705, 40434), (846, 33695), (879, 32430), (1035, 27542), (1081, 26370), (1410, 20217), (1465, 19458), (1758, 16215), (2070, 13771), (2115, 13478), (2162, 13185), (2637, 10810), (2930, 9729), (3243, 8790), (4230, 6739), (4395, 6486), (5274, 5405)]