31516900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 72745344

約数和(自身を除く): 41228444

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 71, 92, 100, 115, 142, 193, 230, 284, 355, 386, 460, 575, 710, 772, 965, 1150, 1420, 1633, 1775, 1930, 2300, 3266, 3550, 3860, 4439, 4825, 6532, 7100, 8165, 8878, 9650, 13703, 16330, 17756, 19300, 22195, 27406, 32660, 40825, 44390, 54812, 68515, 81650, 88780, 110975, 137030, 163300, 221950, 274060, 315169, 342575, 443900, 630338, 685150, 1260676, 1370300, 1575845, 3151690, 6303380, 7879225, 15758450, 31516900]

約数ペア:

[(1, 31516900), (2, 15758450), (4, 7879225), (5, 6303380), (10, 3151690), (20, 1575845), (23, 1370300), (25, 1260676), (46, 685150), (50, 630338), (71, 443900), (92, 342575), (100, 315169), (115, 274060), (142, 221950), (193, 163300), (230, 137030), (284, 110975), (355, 88780), (386, 81650), (460, 68515), (575, 54812), (710, 44390), (772, 40825), (965, 32660), (1150, 27406), (1420, 22195), (1633, 19300), (1775, 17756), (1930, 16330), (2300, 13703), (3266, 9650), (3550, 8878), (3860, 8165), (4439, 7100), (4825, 6532)]