13901900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 31966704

約数和(自身を除く): 18064804

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 53, 61, 86, 100, 106, 122, 172, 212, 215, 244, 265, 305, 430, 530, 610, 860, 1060, 1075, 1220, 1325, 1525, 2150, 2279, 2623, 2650, 3050, 3233, 4300, 4558, 5246, 5300, 6100, 6466, 9116, 10492, 11395, 12932, 13115, 16165, 22790, 26230, 32330, 45580, 52460, 56975, 64660, 65575, 80825, 113950, 131150, 139019, 161650, 227900, 262300, 278038, 323300, 556076, 695095, 1390190, 2780380, 3475475, 6950950, 13901900]

約数ペア:

[(1, 13901900), (2, 6950950), (4, 3475475), (5, 2780380), (10, 1390190), (20, 695095), (25, 556076), (43, 323300), (50, 278038), (53, 262300), (61, 227900), (86, 161650), (100, 139019), (106, 131150), (122, 113950), (172, 80825), (212, 65575), (215, 64660), (244, 56975), (265, 52460), (305, 45580), (430, 32330), (530, 26230), (610, 22790), (860, 16165), (1060, 13115), (1075, 12932), (1220, 11395), (1325, 10492), (1525, 9116), (2150, 6466), (2279, 6100), (2623, 5300), (2650, 5246), (3050, 4558), (3233, 4300)]