250336780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 580608000

約数和(自身を除く): 330271220

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 79, 95, 124, 155, 158, 190, 269, 310, 316, 380, 395, 538, 589, 620, 790, 1076, 1178, 1345, 1501, 1580, 2356, 2449, 2690, 2945, 3002, 4898, 5111, 5380, 5890, 6004, 7505, 8339, 9796, 10222, 11780, 12245, 15010, 16678, 20444, 21251, 24490, 25555, 30020, 33356, 41695, 42502, 46531, 48980, 51110, 83390, 85004, 93062, 102220, 106255, 158441, 166780, 186124, 212510, 232655, 316882, 403769, 425020, 465310, 633764, 658781, 792205, 807538, 930620, 1317562, 1584410, 1615076, 2018845, 2635124, 3168820, 3293905, 4037690, 6587810, 8075380, 12516839, 13175620, 25033678, 50067356, 62584195, 125168390, 250336780]

約数ペア:

[(1, 250336780), (2, 125168390), (4, 62584195), (5, 50067356), (10, 25033678), (19, 13175620), (20, 12516839), (31, 8075380), (38, 6587810), (62, 4037690), (76, 3293905), (79, 3168820), (95, 2635124), (124, 2018845), (155, 1615076), (158, 1584410), (190, 1317562), (269, 930620), (310, 807538), (316, 792205), (380, 658781), (395, 633764), (538, 465310), (589, 425020), (620, 403769), (790, 316882), (1076, 232655), (1178, 212510), (1345, 186124), (1501, 166780), (1580, 158441), (2356, 106255), (2449, 102220), (2690, 93062), (2945, 85004), (3002, 83390), (4898, 51110), (5111, 48980), (5380, 46531), (5890, 42502), (6004, 41695), (7505, 33356), (8339, 30020), (9796, 25555), (10222, 24490), (11780, 21251), (12245, 20444), (15010, 16678)]