380123984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 785664000

約数和(自身を除く): 405540016

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 89, 109, 124, 158, 178, 218, 248, 316, 356, 436, 496, 632, 712, 872, 1264, 1424, 1744, 2449, 2759, 3379, 4898, 5518, 6758, 7031, 8611, 9701, 9796, 11036, 13516, 14062, 17222, 19402, 19592, 22072, 27032, 28124, 34444, 38804, 39184, 44144, 54064, 56248, 68888, 77608, 112496, 137776, 155216, 217961, 266941, 300731, 435922, 533882, 601462, 766379, 871844, 1067764, 1202924, 1532758, 1743688, 2135528, 2405848, 3065516, 3487376, 4271056, 4811696, 6131032, 12262064, 23757749, 47515498, 95030996, 190061992, 380123984]

約数ペア:

[(1, 380123984), (2, 190061992), (4, 95030996), (8, 47515498), (16, 23757749), (31, 12262064), (62, 6131032), (79, 4811696), (89, 4271056), (109, 3487376), (124, 3065516), (158, 2405848), (178, 2135528), (218, 1743688), (248, 1532758), (316, 1202924), (356, 1067764), (436, 871844), (496, 766379), (632, 601462), (712, 533882), (872, 435922), (1264, 300731), (1424, 266941), (1744, 217961), (2449, 155216), (2759, 137776), (3379, 112496), (4898, 77608), (5518, 68888), (6758, 56248), (7031, 54064), (8611, 44144), (9701, 39184), (9796, 38804), (11036, 34444), (13516, 28124), (14062, 27032), (17222, 22072), (19402, 19592)]