400209240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{196181}}^1$

素因数の和:196212

約数の個数: 64

約数和(自身を含む): 1271259360

約数和(自身を除く): 871050120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 196181, 392362, 588543, 784724, 980905, 1177086, 1569448, 1961810, 2354172, 2942715, 3335077, 3923620, 4708344, 5885430, 6670154, 7847240, 10005231, 11770860, 13340308, 16675385, 20010462, 23541720, 26680616, 33350770, 40020924, 50026155, 66701540, 80041848, 100052310, 133403080, 200104620, 400209240]

約数ペア:

[(1, 400209240), (2, 200104620), (3, 133403080), (4, 100052310), (5, 80041848), (6, 66701540), (8, 50026155), (10, 40020924), (12, 33350770), (15, 26680616), (17, 23541720), (20, 20010462), (24, 16675385), (30, 13340308), (34, 11770860), (40, 10005231), (51, 7847240), (60, 6670154), (68, 5885430), (85, 4708344), (102, 3923620), (120, 3335077), (136, 2942715), (170, 2354172), (204, 1961810), (255, 1569448), (340, 1177086), (408, 980905), (510, 784724), (680, 588543), (1020, 392362), (2040, 196181)]