208545800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:855

約数の個数: 96

約数和(自身を含む): 520279200

約数和(自身を除く): 311733400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 83, 85, 100, 136, 166, 170, 200, 332, 340, 415, 425, 664, 680, 739, 830, 850, 1411, 1478, 1660, 1700, 2075, 2822, 2956, 3320, 3400, 3695, 4150, 5644, 5912, 7055, 7390, 8300, 11288, 12563, 14110, 14780, 16600, 18475, 25126, 28220, 29560, 35275, 36950, 50252, 56440, 61337, 62815, 70550, 73900, 100504, 122674, 125630, 141100, 147800, 245348, 251260, 282200, 306685, 314075, 490696, 502520, 613370, 628150, 1042729, 1226740, 1256300, 1533425, 2085458, 2453480, 2512600, 3066850, 4170916, 5213645, 6133700, 8341832, 10427290, 12267400, 20854580, 26068225, 41709160, 52136450, 104272900, 208545800]

約数ペア:

[(1, 208545800), (2, 104272900), (4, 52136450), (5, 41709160), (8, 26068225), (10, 20854580), (17, 12267400), (20, 10427290), (25, 8341832), (34, 6133700), (40, 5213645), (50, 4170916), (68, 3066850), (83, 2512600), (85, 2453480), (100, 2085458), (136, 1533425), (166, 1256300), (170, 1226740), (200, 1042729), (332, 628150), (340, 613370), (415, 502520), (425, 490696), (664, 314075), (680, 306685), (739, 282200), (830, 251260), (850, 245348), (1411, 147800), (1478, 141100), (1660, 125630), (1700, 122674), (2075, 100504), (2822, 73900), (2956, 70550), (3320, 62815), (3400, 61337), (3695, 56440), (4150, 50252), (5644, 36950), (5912, 35275), (7055, 29560), (7390, 28220), (8300, 25126), (11288, 18475), (12563, 16600), (14110, 14780)]