495792400640

素因数分解:

$2^8\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1237501}}^1$

素因数の和:1237835

約数の個数: 72

約数和(自身を含む): 1191372875448

約数和(自身を除く): 695580474808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 313, 320, 626, 640, 1252, 1280, 1565, 2504, 3130, 5008, 6260, 10016, 12520, 20032, 25040, 40064, 50080, 80128, 100160, 200320, 400640, 1237501, 2475002, 4950004, 6187505, 9900008, 12375010, 19800016, 24750020, 39600032, 49500040, 79200064, 99000080, 158400128, 198000160, 316800256, 387337813, 396000320, 774675626, 792000640, 1549351252, 1584001280, 1936689065, 3098702504, 3873378130, 6197405008, 7746756260, 12394810016, 15493512520, 24789620032, 30987025040, 49579240064, 61974050080, 99158480128, 123948100160, 247896200320, 495792400640]

約数ペア:

[(1, 495792400640), (2, 247896200320), (4, 123948100160), (5, 99158480128), (8, 61974050080), (10, 49579240064), (16, 30987025040), (20, 24789620032), (32, 15493512520), (40, 12394810016), (64, 7746756260), (80, 6197405008), (128, 3873378130), (160, 3098702504), (256, 1936689065), (313, 1584001280), (320, 1549351252), (626, 792000640), (640, 774675626), (1252, 396000320), (1280, 387337813), (1565, 316800256), (2504, 198000160), (3130, 158400128), (5008, 99000080), (6260, 79200064), (10016, 49500040), (12520, 39600032), (20032, 24750020), (25040, 19800016), (40064, 12375010), (50080, 9900008), (80128, 6187505), (100160, 4950004), (200320, 2475002), (400640, 1237501)]