423405440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21341}}^1$

素因数の和:21391

約数の個数: 64

約数和(自身を含む): 1044904320

約数和(自身を除く): 621498880

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, 21341, 42682, 85364, 106705, 170728, 213410, 341456, 426820, 661571, 682912, 853640, 1323142, 1365824, 1707280, 2646284, 2731648, 3307855, 3414560, 5292568, 6615710, 6829120, 10585136, 13231420, 13658240, 21170272, 26462840, 42340544, 52925680, 84681088, 105851360, 211702720, 423405440]

約数ペア:

[(1, 423405440), (2, 211702720), (4, 105851360), (5, 84681088), (8, 52925680), (10, 42340544), (16, 26462840), (20, 21170272), (31, 13658240), (32, 13231420), (40, 10585136), (62, 6829120), (64, 6615710), (80, 5292568), (124, 3414560), (128, 3307855), (155, 2731648), (160, 2646284), (248, 1707280), (310, 1365824), (320, 1323142), (496, 853640), (620, 682912), (640, 661571), (992, 426820), (1240, 341456), (1984, 213410), (2480, 170728), (3968, 106705), (4960, 85364), (9920, 42682), (19840, 21341)]