207976340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72719}}^1$

素因数の和:72752

約数の個数: 48

約数和(自身を含む): 513112320

約数和(自身を除く): 305135980

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 72719, 145438, 290876, 363595, 727190, 799909, 945347, 1454380, 1599818, 1890694, 3199636, 3781388, 3999545, 4726735, 7999090, 9453470, 10398817, 15998180, 18906940, 20797634, 41595268, 51994085, 103988170, 207976340]

約数ペア:

[(1, 207976340), (2, 103988170), (4, 51994085), (5, 41595268), (10, 20797634), (11, 18906940), (13, 15998180), (20, 10398817), (22, 9453470), (26, 7999090), (44, 4726735), (52, 3999545), (55, 3781388), (65, 3199636), (110, 1890694), (130, 1599818), (143, 1454380), (220, 945347), (260, 799909), (286, 727190), (572, 363595), (715, 290876), (1430, 145438), (2860, 72719)]