242665644

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 669096960

約数和(自身を除く): 426431316

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 114, 124, 139, 156, 186, 228, 247, 278, 361, 372, 403, 417, 494, 556, 589, 722, 741, 806, 834, 988, 1083, 1178, 1209, 1444, 1482, 1612, 1668, 1767, 1807, 2166, 2356, 2418, 2641, 2964, 3534, 3614, 4309, 4332, 4693, 4836, 5282, 5421, 7068, 7228, 7657, 7923, 8618, 9386, 10564, 10842, 11191, 12927, 14079, 15314, 15846, 17236, 18772, 21684, 22382, 22971, 25854, 28158, 30628, 31692, 33573, 34333, 44764, 45942, 50179, 51708, 56017, 56316, 67146, 68666, 81871, 91884, 100358, 102999, 112034, 134292, 137332, 145483, 150537, 163742, 168051, 200716, 205998, 224068, 245613, 290966, 301074, 327484, 336102, 411996, 436449, 491226, 581932, 602148, 652327, 672204, 872898, 982452, 1064323, 1304654, 1555549, 1745796, 1956981, 2128646, 2609308, 3111098, 3192969, 3913962, 4257292, 4666647, 6222196, 6385938, 7827924, 9333294, 12771876, 18666588, 20222137, 40444274, 60666411, 80888548, 121332822, 242665644]

約数ペア:

[(1, 242665644), (2, 121332822), (3, 80888548), (4, 60666411), (6, 40444274), (12, 20222137), (13, 18666588), (19, 12771876), (26, 9333294), (31, 7827924), (38, 6385938), (39, 6222196), (52, 4666647), (57, 4257292), (62, 3913962), (76, 3192969), (78, 3111098), (93, 2609308), (114, 2128646), (124, 1956981), (139, 1745796), (156, 1555549), (186, 1304654), (228, 1064323), (247, 982452), (278, 872898), (361, 672204), (372, 652327), (403, 602148), (417, 581932), (494, 491226), (556, 436449), (589, 411996), (722, 336102), (741, 327484), (806, 301074), (834, 290966), (988, 245613), (1083, 224068), (1178, 205998), (1209, 200716), (1444, 168051), (1482, 163742), (1612, 150537), (1668, 145483), (1767, 137332), (1807, 134292), (2166, 112034), (2356, 102999), (2418, 100358), (2641, 91884), (2964, 81871), (3534, 68666), (3614, 67146), (4309, 56316), (4332, 56017), (4693, 51708), (4836, 50179), (5282, 45942), (5421, 44764), (7068, 34333), (7228, 33573), (7657, 31692), (7923, 30628), (8618, 28158), (9386, 25854), (10564, 22971), (10842, 22382), (11191, 21684), (12927, 18772), (14079, 17236), (15314, 15846)]