250096980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:614

約数の個数: 144

約数和(自身を含む): 820241856

約数和(自身を除く): 570144876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 257, 294, 331, 420, 490, 514, 588, 662, 735, 771, 980, 993, 1028, 1285, 1324, 1470, 1542, 1655, 1799, 1986, 2317, 2570, 2940, 3084, 3310, 3598, 3855, 3972, 4634, 4965, 5140, 5397, 6620, 6951, 7196, 7710, 8995, 9268, 9930, 10794, 11585, 12593, 13902, 15420, 16219, 17990, 19860, 21588, 23170, 25186, 26985, 27804, 32438, 34755, 35980, 37779, 46340, 48657, 50372, 53970, 62965, 64876, 69510, 75558, 81095, 85067, 97314, 107940, 125930, 139020, 151116, 162190, 170134, 188895, 194628, 243285, 251860, 255201, 324380, 340268, 377790, 425335, 486570, 510402, 595469, 755580, 850670, 973140, 1020804, 1190938, 1276005, 1701340, 1786407, 2381876, 2552010, 2977345, 3572814, 4168283, 5104020, 5954690, 7145628, 8336566, 8932035, 11909380, 12504849, 16673132, 17864070, 20841415, 25009698, 35728140, 41682830, 50019396, 62524245, 83365660, 125048490, 250096980]

約数ペア:

[(1, 250096980), (2, 125048490), (3, 83365660), (4, 62524245), (5, 50019396), (6, 41682830), (7, 35728140), (10, 25009698), (12, 20841415), (14, 17864070), (15, 16673132), (20, 12504849), (21, 11909380), (28, 8932035), (30, 8336566), (35, 7145628), (42, 5954690), (49, 5104020), (60, 4168283), (70, 3572814), (84, 2977345), (98, 2552010), (105, 2381876), (140, 1786407), (147, 1701340), (196, 1276005), (210, 1190938), (245, 1020804), (257, 973140), (294, 850670), (331, 755580), (420, 595469), (490, 510402), (514, 486570), (588, 425335), (662, 377790), (735, 340268), (771, 324380), (980, 255201), (993, 251860), (1028, 243285), (1285, 194628), (1324, 188895), (1470, 170134), (1542, 162190), (1655, 151116), (1799, 139020), (1986, 125930), (2317, 107940), (2570, 97314), (2940, 85067), (3084, 81095), (3310, 75558), (3598, 69510), (3855, 64876), (3972, 62965), (4634, 53970), (4965, 50372), (5140, 48657), (5397, 46340), (6620, 37779), (6951, 35980), (7196, 34755), (7710, 32438), (8995, 27804), (9268, 26985), (9930, 25186), (10794, 23170), (11585, 21588), (12593, 19860), (13902, 17990), (15420, 16219)]