89006900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1277}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 209658456

約数和(自身を除く): 120651556

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 41, 50, 68, 82, 85, 100, 164, 170, 205, 340, 410, 425, 697, 820, 850, 1025, 1277, 1394, 1700, 2050, 2554, 2788, 3485, 4100, 5108, 6385, 6970, 12770, 13940, 17425, 21709, 25540, 31925, 34850, 43418, 52357, 63850, 69700, 86836, 104714, 108545, 127700, 209428, 217090, 261785, 434180, 523570, 542725, 890069, 1047140, 1085450, 1308925, 1780138, 2170900, 2617850, 3560276, 4450345, 5235700, 8900690, 17801380, 22251725, 44503450, 89006900]

約数ペア:

[(1, 89006900), (2, 44503450), (4, 22251725), (5, 17801380), (10, 8900690), (17, 5235700), (20, 4450345), (25, 3560276), (34, 2617850), (41, 2170900), (50, 1780138), (68, 1308925), (82, 1085450), (85, 1047140), (100, 890069), (164, 542725), (170, 523570), (205, 434180), (340, 261785), (410, 217090), (425, 209428), (697, 127700), (820, 108545), (850, 104714), (1025, 86836), (1277, 69700), (1394, 63850), (1700, 52357), (2050, 43418), (2554, 34850), (2788, 31925), (3485, 25540), (4100, 21709), (5108, 17425), (6385, 13940), (6970, 12770)]