422849920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21313}}^1$

素因数の和:21363

約数の個数: 64

約数和(自身を含む): 1043533440

約数和(自身を除く): 620683520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 21313, 42626, 85252, 106565, 170504, 213130, 341008, 426260, 660703, 682016, 852520, 1321406, 1364032, 1705040, 2642812, 2728064, 3303515, 3410080, 5285624, 6607030, 6820160, 10571248, 13214060, 13640320, 21142496, 26428120, 42284992, 52856240, 84569984, 105712480, 211424960, 422849920]

約数ペア:

[(1, 422849920), (2, 211424960), (4, 105712480), (5, 84569984), (8, 52856240), (10, 42284992), (16, 26428120), (20, 21142496), (31, 13640320), (32, 13214060), (40, 10571248), (62, 6820160), (64, 6607030), (80, 5285624), (124, 3410080), (128, 3303515), (155, 2728064), (160, 2642812), (248, 1705040), (310, 1364032), (320, 1321406), (496, 852520), (620, 682016), (640, 660703), (992, 426260), (1240, 341008), (1984, 213130), (2480, 170504), (3968, 106565), (4960, 85252), (9920, 42626), (19840, 21313)]