189778820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:714

約数の個数: 144

約数和(自身を含む): 530893440

約数和(自身を除く): 341114620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 121, 140, 154, 170, 187, 220, 238, 242, 308, 340, 374, 385, 476, 484, 595, 605, 659, 748, 770, 847, 935, 1190, 1210, 1309, 1318, 1540, 1694, 1870, 2057, 2380, 2420, 2618, 2636, 3295, 3388, 3740, 4114, 4235, 4613, 5236, 6545, 6590, 7249, 8228, 8470, 9226, 10285, 11203, 13090, 13180, 14399, 14498, 16940, 18452, 20570, 22406, 23065, 26180, 28798, 28996, 36245, 41140, 44812, 46130, 50743, 56015, 57596, 71995, 72490, 78421, 79739, 92260, 101486, 112030, 123233, 143990, 144980, 156842, 159478, 202972, 224060, 246466, 253715, 287980, 313684, 318956, 392105, 398695, 492932, 507430, 558173, 616165, 784210, 797390, 862631, 1014860, 1116346, 1232330, 1355563, 1568420, 1594780, 1725262, 2232692, 2464660, 2711126, 2790865, 3450524, 4313155, 5422252, 5581730, 6777815, 8626310, 9488941, 11163460, 13555630, 17252620, 18977882, 27111260, 37955764, 47444705, 94889410, 189778820]

約数ペア:

[(1, 189778820), (2, 94889410), (4, 47444705), (5, 37955764), (7, 27111260), (10, 18977882), (11, 17252620), (14, 13555630), (17, 11163460), (20, 9488941), (22, 8626310), (28, 6777815), (34, 5581730), (35, 5422252), (44, 4313155), (55, 3450524), (68, 2790865), (70, 2711126), (77, 2464660), (85, 2232692), (110, 1725262), (119, 1594780), (121, 1568420), (140, 1355563), (154, 1232330), (170, 1116346), (187, 1014860), (220, 862631), (238, 797390), (242, 784210), (308, 616165), (340, 558173), (374, 507430), (385, 492932), (476, 398695), (484, 392105), (595, 318956), (605, 313684), (659, 287980), (748, 253715), (770, 246466), (847, 224060), (935, 202972), (1190, 159478), (1210, 156842), (1309, 144980), (1318, 143990), (1540, 123233), (1694, 112030), (1870, 101486), (2057, 92260), (2380, 79739), (2420, 78421), (2618, 72490), (2636, 71995), (3295, 57596), (3388, 56015), (3740, 50743), (4114, 46130), (4235, 44812), (4613, 41140), (5236, 36245), (6545, 28996), (6590, 28798), (7249, 26180), (8228, 23065), (8470, 22406), (9226, 20570), (10285, 18452), (11203, 16940), (13090, 14498), (13180, 14399)]