258431004

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 743608320

約数和(自身を除く): 485177316

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 47, 52, 62, 78, 93, 94, 117, 124, 141, 156, 186, 188, 234, 279, 282, 372, 379, 403, 423, 468, 558, 564, 611, 758, 806, 846, 1116, 1137, 1209, 1222, 1457, 1516, 1612, 1692, 1833, 2274, 2418, 2444, 2914, 3411, 3627, 3666, 4371, 4548, 4836, 4927, 5499, 5828, 6822, 7254, 7332, 8742, 9854, 10998, 11749, 13113, 13644, 14508, 14781, 17484, 17813, 18941, 19708, 21996, 23498, 26226, 29562, 35247, 35626, 37882, 44343, 46996, 52452, 53439, 56823, 59124, 70494, 71252, 75764, 88686, 105741, 106878, 113646, 140988, 152737, 160317, 170469, 177372, 211482, 213756, 227292, 231569, 305474, 320634, 340938, 422964, 458211, 463138, 552203, 610948, 641268, 681876, 694707, 916422, 926276, 1104406, 1374633, 1389414, 1656609, 1832844, 2084121, 2208812, 2749266, 2778828, 3313218, 4168242, 4969827, 5498532, 6626436, 7178639, 8336484, 9939654, 14357278, 19879308, 21535917, 28714556, 43071834, 64607751, 86143668, 129215502, 258431004]

約数ペア:

[(1, 258431004), (2, 129215502), (3, 86143668), (4, 64607751), (6, 43071834), (9, 28714556), (12, 21535917), (13, 19879308), (18, 14357278), (26, 9939654), (31, 8336484), (36, 7178639), (39, 6626436), (47, 5498532), (52, 4969827), (62, 4168242), (78, 3313218), (93, 2778828), (94, 2749266), (117, 2208812), (124, 2084121), (141, 1832844), (156, 1656609), (186, 1389414), (188, 1374633), (234, 1104406), (279, 926276), (282, 916422), (372, 694707), (379, 681876), (403, 641268), (423, 610948), (468, 552203), (558, 463138), (564, 458211), (611, 422964), (758, 340938), (806, 320634), (846, 305474), (1116, 231569), (1137, 227292), (1209, 213756), (1222, 211482), (1457, 177372), (1516, 170469), (1612, 160317), (1692, 152737), (1833, 140988), (2274, 113646), (2418, 106878), (2444, 105741), (2914, 88686), (3411, 75764), (3627, 71252), (3666, 70494), (4371, 59124), (4548, 56823), (4836, 53439), (4927, 52452), (5499, 46996), (5828, 44343), (6822, 37882), (7254, 35626), (7332, 35247), (8742, 29562), (9854, 26226), (10998, 23498), (11749, 21996), (13113, 19708), (13644, 18941), (14508, 17813), (14781, 17484)]