496815280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{12911}}^1$

素因数の和:12974

約数の個数: 80

約数和(自身を含む): 1277668224

約数和(自身を除く): 780852944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 7696, 9620, 12911, 19240, 25822, 38480, 51644, 64555, 103288, 129110, 167843, 206576, 258220, 335686, 477707, 516440, 671372, 839215, 955414, 1032880, 1342744, 1678430, 1910828, 2388535, 2685488, 3356860, 3821656, 4777070, 6210191, 6713720, 7643312, 9554140, 12420382, 13427440, 19108280, 24840764, 31050955, 38216560, 49681528, 62101910, 99363056, 124203820, 248407640, 496815280]

約数ペア:

[(1, 496815280), (2, 248407640), (4, 124203820), (5, 99363056), (8, 62101910), (10, 49681528), (13, 38216560), (16, 31050955), (20, 24840764), (26, 19108280), (37, 13427440), (40, 12420382), (52, 9554140), (65, 7643312), (74, 6713720), (80, 6210191), (104, 4777070), (130, 3821656), (148, 3356860), (185, 2685488), (208, 2388535), (260, 1910828), (296, 1678430), (370, 1342744), (481, 1032880), (520, 955414), (592, 839215), (740, 671372), (962, 516440), (1040, 477707), (1480, 335686), (1924, 258220), (2405, 206576), (2960, 167843), (3848, 129110), (4810, 103288), (7696, 64555), (9620, 51644), (12911, 38480), (19240, 25822)]