290717388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 824023200

約数和(自身を除く): 533305812

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 109, 117, 123, 139, 156, 164, 218, 234, 246, 278, 327, 369, 417, 436, 468, 492, 533, 556, 654, 738, 834, 981, 1066, 1251, 1308, 1417, 1476, 1599, 1668, 1807, 1962, 2132, 2502, 2834, 3198, 3614, 3924, 4251, 4469, 4797, 5004, 5421, 5668, 5699, 6396, 7228, 8502, 8938, 9594, 10842, 11398, 12753, 13407, 15151, 16263, 17004, 17097, 17876, 19188, 21684, 22796, 25506, 26814, 30302, 32526, 34194, 40221, 45453, 51012, 51291, 53628, 58097, 60604, 65052, 68388, 74087, 80442, 90906, 102582, 116194, 136359, 148174, 160884, 174291, 181812, 196963, 205164, 222261, 232388, 272718, 296348, 348582, 393926, 444522, 522873, 545436, 590889, 621191, 666783, 697164, 787852, 889044, 1045746, 1181778, 1242382, 1333566, 1772667, 1863573, 2091492, 2363556, 2484764, 2667132, 3545334, 3727146, 5590719, 7090668, 7454292, 8075483, 11181438, 16150966, 22362876, 24226449, 32301932, 48452898, 72679347, 96905796, 145358694, 290717388]

約数ペア:

[(1, 290717388), (2, 145358694), (3, 96905796), (4, 72679347), (6, 48452898), (9, 32301932), (12, 24226449), (13, 22362876), (18, 16150966), (26, 11181438), (36, 8075483), (39, 7454292), (41, 7090668), (52, 5590719), (78, 3727146), (82, 3545334), (109, 2667132), (117, 2484764), (123, 2363556), (139, 2091492), (156, 1863573), (164, 1772667), (218, 1333566), (234, 1242382), (246, 1181778), (278, 1045746), (327, 889044), (369, 787852), (417, 697164), (436, 666783), (468, 621191), (492, 590889), (533, 545436), (556, 522873), (654, 444522), (738, 393926), (834, 348582), (981, 296348), (1066, 272718), (1251, 232388), (1308, 222261), (1417, 205164), (1476, 196963), (1599, 181812), (1668, 174291), (1807, 160884), (1962, 148174), (2132, 136359), (2502, 116194), (2834, 102582), (3198, 90906), (3614, 80442), (3924, 74087), (4251, 68388), (4469, 65052), (4797, 60604), (5004, 58097), (5421, 53628), (5668, 51291), (5699, 51012), (6396, 45453), (7228, 40221), (8502, 34194), (8938, 32526), (9594, 30302), (10842, 26814), (11398, 25506), (12753, 22796), (13407, 21684), (15151, 19188), (16263, 17876), (17004, 17097)]