308575280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1103}}^1$

素因数の和:1398

約数の個数: 80

約数和(自身を含む): 776200320

約数和(自身を除く): 467625040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 269, 520, 538, 1040, 1076, 1103, 1345, 2152, 2206, 2690, 3497, 4304, 4412, 5380, 5515, 6994, 8824, 10760, 11030, 13988, 14339, 17485, 17648, 21520, 22060, 27976, 28678, 34970, 44120, 55952, 57356, 69940, 71695, 88240, 114712, 139880, 143390, 229424, 279760, 286780, 296707, 573560, 593414, 1147120, 1186828, 1483535, 2373656, 2967070, 3857191, 4747312, 5934140, 7714382, 11868280, 15428764, 19285955, 23736560, 30857528, 38571910, 61715056, 77143820, 154287640, 308575280]

約数ペア:

[(1, 308575280), (2, 154287640), (4, 77143820), (5, 61715056), (8, 38571910), (10, 30857528), (13, 23736560), (16, 19285955), (20, 15428764), (26, 11868280), (40, 7714382), (52, 5934140), (65, 4747312), (80, 3857191), (104, 2967070), (130, 2373656), (208, 1483535), (260, 1186828), (269, 1147120), (520, 593414), (538, 573560), (1040, 296707), (1076, 286780), (1103, 279760), (1345, 229424), (2152, 143390), (2206, 139880), (2690, 114712), (3497, 88240), (4304, 71695), (4412, 69940), (5380, 57356), (5515, 55952), (6994, 44120), (8824, 34970), (10760, 28678), (11030, 27976), (13988, 22060), (14339, 21520), (17485, 17648)]