291268900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3673}}^1$

素因数の和:3761

約数の個数: 72

約数和(自身を含む): 692019944

約数和(自身を除く): 400751044

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 244, 260, 305, 325, 610, 650, 793, 1220, 1300, 1525, 1586, 3050, 3172, 3673, 3965, 6100, 7346, 7930, 14692, 15860, 18365, 19825, 36730, 39650, 47749, 73460, 79300, 91825, 95498, 183650, 190996, 224053, 238745, 367300, 448106, 477490, 896212, 954980, 1120265, 1193725, 2240530, 2387450, 2912689, 4481060, 4774900, 5601325, 5825378, 11202650, 11650756, 14563445, 22405300, 29126890, 58253780, 72817225, 145634450, 291268900]

約数ペア:

[(1, 291268900), (2, 145634450), (4, 72817225), (5, 58253780), (10, 29126890), (13, 22405300), (20, 14563445), (25, 11650756), (26, 11202650), (50, 5825378), (52, 5601325), (61, 4774900), (65, 4481060), (100, 2912689), (122, 2387450), (130, 2240530), (244, 1193725), (260, 1120265), (305, 954980), (325, 896212), (610, 477490), (650, 448106), (793, 367300), (1220, 238745), (1300, 224053), (1525, 190996), (1586, 183650), (3050, 95498), (3172, 91825), (3673, 79300), (3965, 73460), (6100, 47749), (7346, 39650), (7930, 36730), (14692, 19825), (15860, 18365)]