131628770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 128

約数和(自身を含む): 321269760

約数和(自身を除く): 189640990

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 23, 26, 35, 38, 46, 65, 70, 91, 95, 115, 130, 133, 161, 182, 190, 230, 247, 266, 299, 322, 331, 437, 455, 494, 598, 662, 665, 805, 874, 910, 1235, 1330, 1495, 1610, 1655, 1729, 2093, 2185, 2317, 2470, 2990, 3059, 3310, 3458, 4186, 4303, 4370, 4634, 5681, 6118, 6289, 7613, 8606, 8645, 10465, 11362, 11585, 12578, 15226, 15295, 17290, 20930, 21515, 23170, 28405, 30121, 30590, 31445, 38065, 39767, 43030, 44023, 53291, 56810, 60242, 62890, 76130, 79534, 81757, 88046, 98969, 106582, 144647, 150605, 163514, 197938, 198835, 220115, 266455, 289294, 301210, 397670, 408785, 440230, 494845, 532910, 572299, 692783, 723235, 817570, 989690, 1012529, 1144598, 1385566, 1446470, 1880411, 2025058, 2861495, 3463915, 3760822, 5062645, 5722990, 6927830, 9402055, 10125290, 13162877, 18804110, 26325754, 65814385, 131628770]

約数ペア:

[(1, 131628770), (2, 65814385), (5, 26325754), (7, 18804110), (10, 13162877), (13, 10125290), (14, 9402055), (19, 6927830), (23, 5722990), (26, 5062645), (35, 3760822), (38, 3463915), (46, 2861495), (65, 2025058), (70, 1880411), (91, 1446470), (95, 1385566), (115, 1144598), (130, 1012529), (133, 989690), (161, 817570), (182, 723235), (190, 692783), (230, 572299), (247, 532910), (266, 494845), (299, 440230), (322, 408785), (331, 397670), (437, 301210), (455, 289294), (494, 266455), (598, 220115), (662, 198835), (665, 197938), (805, 163514), (874, 150605), (910, 144647), (1235, 106582), (1330, 98969), (1495, 88046), (1610, 81757), (1655, 79534), (1729, 76130), (2093, 62890), (2185, 60242), (2317, 56810), (2470, 53291), (2990, 44023), (3059, 43030), (3310, 39767), (3458, 38065), (4186, 31445), (4303, 30590), (4370, 30121), (4634, 28405), (5681, 23170), (6118, 21515), (6289, 20930), (7613, 17290), (8606, 15295), (8645, 15226), (10465, 12578), (11362, 11585)]