188971120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1667}}^1$

素因数の和:1802

約数の個数: 80

約数和(自身を含む): 477781920

約数和(自身を除く): 288810800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 872, 1040, 1090, 1417, 1667, 1744, 2180, 2834, 3334, 4360, 5668, 6668, 7085, 8335, 8720, 11336, 13336, 14170, 16670, 21671, 22672, 26672, 28340, 33340, 43342, 56680, 66680, 86684, 108355, 113360, 133360, 173368, 181703, 216710, 346736, 363406, 433420, 726812, 866840, 908515, 1453624, 1733680, 1817030, 2362139, 2907248, 3634060, 4724278, 7268120, 9448556, 11810695, 14536240, 18897112, 23621390, 37794224, 47242780, 94485560, 188971120]

約数ペア:

[(1, 188971120), (2, 94485560), (4, 47242780), (5, 37794224), (8, 23621390), (10, 18897112), (13, 14536240), (16, 11810695), (20, 9448556), (26, 7268120), (40, 4724278), (52, 3634060), (65, 2907248), (80, 2362139), (104, 1817030), (109, 1733680), (130, 1453624), (208, 908515), (218, 866840), (260, 726812), (436, 433420), (520, 363406), (545, 346736), (872, 216710), (1040, 181703), (1090, 173368), (1417, 133360), (1667, 113360), (1744, 108355), (2180, 86684), (2834, 66680), (3334, 56680), (4360, 43342), (5668, 33340), (6668, 28340), (7085, 26672), (8335, 22672), (8720, 21671), (11336, 16670), (13336, 14170)]