311239380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8807}}^1$

素因数の和:8869

約数の個数: 96

約数和(自身を含む): 947036160

約数和(自身を除く): 635796780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 620, 930, 1140, 1178, 1767, 1860, 2356, 2945, 3534, 5890, 7068, 8807, 8835, 11780, 17614, 17670, 26421, 35228, 35340, 44035, 52842, 88070, 105684, 132105, 167333, 176140, 264210, 273017, 334666, 501999, 528420, 546034, 669332, 819051, 836665, 1003998, 1092068, 1365085, 1638102, 1673330, 2007996, 2509995, 2730170, 3276204, 3346660, 4095255, 5019990, 5187323, 5460340, 8190510, 10039980, 10374646, 15561969, 16381020, 20749292, 25936615, 31123938, 51873230, 62247876, 77809845, 103746460, 155619690, 311239380]

約数ペア:

[(1, 311239380), (2, 155619690), (3, 103746460), (4, 77809845), (5, 62247876), (6, 51873230), (10, 31123938), (12, 25936615), (15, 20749292), (19, 16381020), (20, 15561969), (30, 10374646), (31, 10039980), (38, 8190510), (57, 5460340), (60, 5187323), (62, 5019990), (76, 4095255), (93, 3346660), (95, 3276204), (114, 2730170), (124, 2509995), (155, 2007996), (186, 1673330), (190, 1638102), (228, 1365085), (285, 1092068), (310, 1003998), (372, 836665), (380, 819051), (465, 669332), (570, 546034), (589, 528420), (620, 501999), (930, 334666), (1140, 273017), (1178, 264210), (1767, 176140), (1860, 167333), (2356, 132105), (2945, 105684), (3534, 88070), (5890, 52842), (7068, 44035), (8807, 35340), (8835, 35228), (11780, 26421), (17614, 17670)]