386098280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{2003}}^1$

素因数の和:2154

約数の個数: 64

約数和(自身を含む): 894585600

約数和(自身を除く): 508487320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 79, 122, 158, 244, 305, 316, 395, 488, 610, 632, 790, 1220, 1580, 2003, 2440, 3160, 4006, 4819, 8012, 9638, 10015, 16024, 19276, 20030, 24095, 38552, 40060, 48190, 80120, 96380, 122183, 158237, 192760, 244366, 316474, 488732, 610915, 632948, 791185, 977464, 1221830, 1265896, 1582370, 2443660, 3164740, 4887320, 6329480, 9652457, 19304914, 38609828, 48262285, 77219656, 96524570, 193049140, 386098280]

約数ペア:

[(1, 386098280), (2, 193049140), (4, 96524570), (5, 77219656), (8, 48262285), (10, 38609828), (20, 19304914), (40, 9652457), (61, 6329480), (79, 4887320), (122, 3164740), (158, 2443660), (244, 1582370), (305, 1265896), (316, 1221830), (395, 977464), (488, 791185), (610, 632948), (632, 610915), (790, 488732), (1220, 316474), (1580, 244366), (2003, 192760), (2440, 158237), (3160, 122183), (4006, 96380), (4819, 80120), (8012, 48190), (9638, 40060), (10015, 38552), (16024, 24095), (19276, 20030)]