88389140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 234420480

約数和(自身を除く): 146031340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 47, 49, 70, 76, 94, 95, 98, 101, 133, 140, 188, 190, 196, 202, 235, 245, 266, 329, 380, 404, 470, 490, 505, 532, 658, 665, 707, 893, 931, 940, 980, 1010, 1316, 1330, 1414, 1645, 1786, 1862, 1919, 2020, 2303, 2660, 2828, 3290, 3535, 3572, 3724, 3838, 4465, 4606, 4655, 4747, 4949, 6251, 6580, 7070, 7676, 8930, 9212, 9310, 9494, 9595, 9898, 11515, 12502, 13433, 14140, 17860, 18620, 18988, 19190, 19796, 23030, 23735, 24745, 25004, 26866, 31255, 33229, 38380, 43757, 46060, 47470, 49490, 53732, 62510, 66458, 67165, 87514, 90193, 94031, 94940, 98980, 125020, 132916, 134330, 166145, 175028, 180386, 188062, 218785, 232603, 268660, 332290, 360772, 376124, 437570, 450965, 465206, 470155, 631351, 664580, 875140, 901930, 930412, 940310, 1163015, 1262702, 1803860, 1880620, 2326030, 2525404, 3156755, 4419457, 4652060, 6313510, 8838914, 12627020, 17677828, 22097285, 44194570, 88389140]

約数ペア:

[(1, 88389140), (2, 44194570), (4, 22097285), (5, 17677828), (7, 12627020), (10, 8838914), (14, 6313510), (19, 4652060), (20, 4419457), (28, 3156755), (35, 2525404), (38, 2326030), (47, 1880620), (49, 1803860), (70, 1262702), (76, 1163015), (94, 940310), (95, 930412), (98, 901930), (101, 875140), (133, 664580), (140, 631351), (188, 470155), (190, 465206), (196, 450965), (202, 437570), (235, 376124), (245, 360772), (266, 332290), (329, 268660), (380, 232603), (404, 218785), (470, 188062), (490, 180386), (505, 175028), (532, 166145), (658, 134330), (665, 132916), (707, 125020), (893, 98980), (931, 94940), (940, 94031), (980, 90193), (1010, 87514), (1316, 67165), (1330, 66458), (1414, 62510), (1645, 53732), (1786, 49490), (1862, 47470), (1919, 46060), (2020, 43757), (2303, 38380), (2660, 33229), (2828, 31255), (3290, 26866), (3535, 25004), (3572, 24745), (3724, 23735), (3838, 23030), (4465, 19796), (4606, 19190), (4655, 18988), (4747, 18620), (4949, 17860), (6251, 14140), (6580, 13433), (7070, 12502), (7676, 11515), (8930, 9898), (9212, 9595), (9310, 9494)]