208889200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 180

約数和(自身を含む): 578252920

約数和(自身を除く): 369363720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 139, 170, 200, 208, 221, 260, 272, 278, 289, 325, 340, 400, 425, 442, 520, 556, 578, 650, 680, 695, 850, 884, 1040, 1105, 1112, 1156, 1300, 1360, 1390, 1445, 1700, 1768, 1807, 2210, 2224, 2312, 2363, 2600, 2780, 2890, 3400, 3475, 3536, 3614, 3757, 4420, 4624, 4726, 5200, 5525, 5560, 5780, 6800, 6950, 7225, 7228, 7514, 8840, 9035, 9452, 11050, 11120, 11560, 11815, 13900, 14450, 14456, 15028, 17680, 18070, 18785, 18904, 22100, 23120, 23630, 27800, 28900, 28912, 30056, 30719, 36140, 37570, 37808, 40171, 44200, 45175, 47260, 55600, 57800, 59075, 60112, 61438, 72280, 75140, 80342, 88400, 90350, 93925, 94520, 115600, 118150, 122876, 144560, 150280, 153595, 160684, 180700, 187850, 189040, 200855, 236300, 245752, 300560, 307190, 321368, 361400, 375700, 401710, 472600, 491504, 522223, 614380, 642736, 722800, 751400, 767975, 803420, 945200, 1004275, 1044446, 1228760, 1502800, 1535950, 1606840, 2008550, 2088892, 2457520, 2611115, 3071900, 3213680, 4017100, 4177784, 5222230, 6143800, 8034200, 8355568, 10444460, 12287600, 13055575, 16068400, 20888920, 26111150, 41777840, 52222300, 104444600, 208889200]

約数ペア:

[(1, 208889200), (2, 104444600), (4, 52222300), (5, 41777840), (8, 26111150), (10, 20888920), (13, 16068400), (16, 13055575), (17, 12287600), (20, 10444460), (25, 8355568), (26, 8034200), (34, 6143800), (40, 5222230), (50, 4177784), (52, 4017100), (65, 3213680), (68, 3071900), (80, 2611115), (85, 2457520), (100, 2088892), (104, 2008550), (130, 1606840), (136, 1535950), (139, 1502800), (170, 1228760), (200, 1044446), (208, 1004275), (221, 945200), (260, 803420), (272, 767975), (278, 751400), (289, 722800), (325, 642736), (340, 614380), (400, 522223), (425, 491504), (442, 472600), (520, 401710), (556, 375700), (578, 361400), (650, 321368), (680, 307190), (695, 300560), (850, 245752), (884, 236300), (1040, 200855), (1105, 189040), (1112, 187850), (1156, 180700), (1300, 160684), (1360, 153595), (1390, 150280), (1445, 144560), (1700, 122876), (1768, 118150), (1807, 115600), (2210, 94520), (2224, 93925), (2312, 90350), (2363, 88400), (2600, 80342), (2780, 75140), (2890, 72280), (3400, 61438), (3475, 60112), (3536, 59075), (3614, 57800), (3757, 55600), (4420, 47260), (4624, 45175), (4726, 44200), (5200, 40171), (5525, 37808), (5560, 37570), (5780, 36140), (6800, 30719), (6950, 30056), (7225, 28912), (7228, 28900), (7514, 27800), (8840, 23630), (9035, 23120), (9452, 22100), (11050, 18904), (11120, 18785), (11560, 18070), (11815, 17680), (13900, 15028), (14450, 14456)]