289692050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4999}}^1$

素因数の和:5091

約数の個数: 48

約数和(自身を含む): 576600000

約数和(自身を除く): 286907950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 122, 190, 305, 475, 610, 950, 1159, 1525, 2318, 3050, 4999, 5795, 9998, 11590, 24995, 28975, 49990, 57950, 94981, 124975, 189962, 249950, 304939, 474905, 609878, 949810, 1524695, 2374525, 3049390, 4749050, 5793841, 7623475, 11587682, 15246950, 28969205, 57938410, 144846025, 289692050]

約数ペア:

[(1, 289692050), (2, 144846025), (5, 57938410), (10, 28969205), (19, 15246950), (25, 11587682), (38, 7623475), (50, 5793841), (61, 4749050), (95, 3049390), (122, 2374525), (190, 1524695), (305, 949810), (475, 609878), (610, 474905), (950, 304939), (1159, 249950), (1525, 189962), (2318, 124975), (3050, 94981), (4999, 57950), (5795, 49990), (9998, 28975), (11590, 24995)]