31811500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 81244800

約数和(自身を除く): 49433300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 100, 122, 125, 140, 149, 175, 244, 250, 298, 305, 350, 427, 500, 596, 610, 700, 745, 854, 875, 1043, 1220, 1490, 1525, 1708, 1750, 2086, 2135, 2980, 3050, 3500, 3725, 4172, 4270, 5215, 6100, 7450, 7625, 8540, 9089, 10430, 10675, 14900, 15250, 18178, 18625, 20860, 21350, 26075, 30500, 36356, 37250, 42700, 45445, 52150, 53375, 63623, 74500, 90890, 104300, 106750, 127246, 130375, 181780, 213500, 227225, 254492, 260750, 318115, 454450, 521500, 636230, 908900, 1136125, 1272460, 1590575, 2272250, 3181150, 4544500, 6362300, 7952875, 15905750, 31811500]

約数ペア:

[(1, 31811500), (2, 15905750), (4, 7952875), (5, 6362300), (7, 4544500), (10, 3181150), (14, 2272250), (20, 1590575), (25, 1272460), (28, 1136125), (35, 908900), (50, 636230), (61, 521500), (70, 454450), (100, 318115), (122, 260750), (125, 254492), (140, 227225), (149, 213500), (175, 181780), (244, 130375), (250, 127246), (298, 106750), (305, 104300), (350, 90890), (427, 74500), (500, 63623), (596, 53375), (610, 52150), (700, 45445), (745, 42700), (854, 37250), (875, 36356), (1043, 30500), (1220, 26075), (1490, 21350), (1525, 20860), (1708, 18625), (1750, 18178), (2086, 15250), (2135, 14900), (2980, 10675), (3050, 10430), (3500, 9089), (3725, 8540), (4172, 7625), (4270, 7450), (5215, 6100)]