248755780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4409}}^1$

素因数の和:4469

約数の個数: 96

約数和(自身を含む): 663828480

約数和(自身を除く): 415072700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1612, 1820, 2015, 2170, 2821, 4030, 4340, 4409, 5642, 8060, 8818, 11284, 14105, 17636, 22045, 28210, 30863, 44090, 56420, 57317, 61726, 88180, 114634, 123452, 136679, 154315, 229268, 273358, 286585, 308630, 401219, 546716, 573170, 617260, 683395, 802438, 956753, 1146340, 1366790, 1604876, 1776827, 1913506, 2006095, 2733580, 3553654, 3827012, 4012190, 4783765, 7107308, 8024380, 8884135, 9567530, 12437789, 17768270, 19135060, 24875578, 35536540, 49751156, 62188945, 124377890, 248755780]

約数ペア:

[(1, 248755780), (2, 124377890), (4, 62188945), (5, 49751156), (7, 35536540), (10, 24875578), (13, 19135060), (14, 17768270), (20, 12437789), (26, 9567530), (28, 8884135), (31, 8024380), (35, 7107308), (52, 4783765), (62, 4012190), (65, 3827012), (70, 3553654), (91, 2733580), (124, 2006095), (130, 1913506), (140, 1776827), (155, 1604876), (182, 1366790), (217, 1146340), (260, 956753), (310, 802438), (364, 683395), (403, 617260), (434, 573170), (455, 546716), (620, 401219), (806, 308630), (868, 286585), (910, 273358), (1085, 229268), (1612, 154315), (1820, 136679), (2015, 123452), (2170, 114634), (2821, 88180), (4030, 61726), (4340, 57317), (4409, 56420), (5642, 44090), (8060, 30863), (8818, 28210), (11284, 22045), (14105, 17636)]