275392740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2066

約数の個数: 144

約数和(自身を含む): 916538112

約数和(自身を除く): 641145372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 60, 70, 84, 94, 98, 105, 140, 141, 147, 188, 196, 210, 235, 245, 282, 294, 329, 420, 470, 490, 564, 588, 658, 705, 735, 940, 980, 987, 1316, 1410, 1470, 1645, 1974, 1993, 2303, 2820, 2940, 3290, 3948, 3986, 4606, 4935, 5979, 6580, 6909, 7972, 9212, 9870, 9965, 11515, 11958, 13818, 13951, 19740, 19930, 23030, 23916, 27636, 27902, 29895, 34545, 39860, 41853, 46060, 55804, 59790, 69090, 69755, 83706, 93671, 97657, 119580, 138180, 139510, 167412, 187342, 195314, 209265, 279020, 281013, 292971, 374684, 390628, 418530, 468355, 488285, 562026, 585942, 655697, 837060, 936710, 976570, 1124052, 1171884, 1311394, 1405065, 1464855, 1873420, 1953140, 1967091, 2622788, 2810130, 2929710, 3278485, 3934182, 4589879, 5620260, 5859420, 6556970, 7868364, 9179758, 9835455, 13113940, 13769637, 18359516, 19670910, 22949395, 27539274, 39341820, 45898790, 55078548, 68848185, 91797580, 137696370, 275392740]

約数ペア:

[(1, 275392740), (2, 137696370), (3, 91797580), (4, 68848185), (5, 55078548), (6, 45898790), (7, 39341820), (10, 27539274), (12, 22949395), (14, 19670910), (15, 18359516), (20, 13769637), (21, 13113940), (28, 9835455), (30, 9179758), (35, 7868364), (42, 6556970), (47, 5859420), (49, 5620260), (60, 4589879), (70, 3934182), (84, 3278485), (94, 2929710), (98, 2810130), (105, 2622788), (140, 1967091), (141, 1953140), (147, 1873420), (188, 1464855), (196, 1405065), (210, 1311394), (235, 1171884), (245, 1124052), (282, 976570), (294, 936710), (329, 837060), (420, 655697), (470, 585942), (490, 562026), (564, 488285), (588, 468355), (658, 418530), (705, 390628), (735, 374684), (940, 292971), (980, 281013), (987, 279020), (1316, 209265), (1410, 195314), (1470, 187342), (1645, 167412), (1974, 139510), (1993, 138180), (2303, 119580), (2820, 97657), (2940, 93671), (3290, 83706), (3948, 69755), (3986, 69090), (4606, 59790), (4935, 55804), (5979, 46060), (6580, 41853), (6909, 39860), (7972, 34545), (9212, 29895), (9870, 27902), (9965, 27636), (11515, 23916), (11958, 23030), (13818, 19930), (13951, 19740)]