811420360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{1381}}^1$

素因数の和:1826

約数の個数: 64

約数和(自身を含む): 1881123120

約数和(自身を除く): 1069702760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 397, 740, 794, 1381, 1480, 1588, 1985, 2762, 3176, 3970, 5524, 6905, 7940, 11048, 13810, 14689, 15880, 27620, 29378, 51097, 55240, 58756, 73445, 102194, 117512, 146890, 204388, 255485, 293780, 408776, 510970, 548257, 587560, 1021940, 1096514, 2043880, 2193028, 2741285, 4386056, 5482570, 10965140, 20285509, 21930280, 40571018, 81142036, 101427545, 162284072, 202855090, 405710180, 811420360]

約数ペア:

[(1, 811420360), (2, 405710180), (4, 202855090), (5, 162284072), (8, 101427545), (10, 81142036), (20, 40571018), (37, 21930280), (40, 20285509), (74, 10965140), (148, 5482570), (185, 4386056), (296, 2741285), (370, 2193028), (397, 2043880), (740, 1096514), (794, 1021940), (1381, 587560), (1480, 548257), (1588, 510970), (1985, 408776), (2762, 293780), (3176, 255485), (3970, 204388), (5524, 146890), (6905, 117512), (7940, 102194), (11048, 73445), (13810, 58756), (14689, 55240), (15880, 51097), (27620, 29378)]