2122900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 5249664

約数和(自身を除く): 3126764

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 71, 92, 100, 115, 130, 142, 230, 260, 284, 299, 325, 355, 460, 575, 598, 650, 710, 923, 1150, 1196, 1300, 1420, 1495, 1633, 1775, 1846, 2300, 2990, 3266, 3550, 3692, 4615, 5980, 6532, 7100, 7475, 8165, 9230, 14950, 16330, 18460, 21229, 23075, 29900, 32660, 40825, 42458, 46150, 81650, 84916, 92300, 106145, 163300, 212290, 424580, 530725, 1061450, 2122900]

約数ペア:

[(1, 2122900), (2, 1061450), (4, 530725), (5, 424580), (10, 212290), (13, 163300), (20, 106145), (23, 92300), (25, 84916), (26, 81650), (46, 46150), (50, 42458), (52, 40825), (65, 32660), (71, 29900), (92, 23075), (100, 21229), (115, 18460), (130, 16330), (142, 14950), (230, 9230), (260, 8165), (284, 7475), (299, 7100), (325, 6532), (355, 5980), (460, 4615), (575, 3692), (598, 3550), (650, 3266), (710, 2990), (923, 2300), (1150, 1846), (1196, 1775), (1300, 1633), (1420, 1495)]