578982580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{419}}^1\times {\mathrm{571}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 1341980640

約数和(自身を除く): 762998060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 419, 484, 571, 605, 838, 1142, 1210, 1676, 2095, 2284, 2420, 2855, 4190, 4609, 5710, 6281, 8380, 9218, 11420, 12562, 18436, 23045, 25124, 31405, 46090, 50699, 62810, 69091, 92180, 101398, 125620, 138182, 202796, 239249, 253495, 276364, 345455, 478498, 506990, 690910, 956996, 1013980, 1196245, 1381820, 2392490, 2631739, 4784980, 5263478, 10526956, 13158695, 26317390, 28949129, 52634780, 57898258, 115796516, 144745645, 289491290, 578982580]

約数ペア:

[(1, 578982580), (2, 289491290), (4, 144745645), (5, 115796516), (10, 57898258), (11, 52634780), (20, 28949129), (22, 26317390), (44, 13158695), (55, 10526956), (110, 5263478), (121, 4784980), (220, 2631739), (242, 2392490), (419, 1381820), (484, 1196245), (571, 1013980), (605, 956996), (838, 690910), (1142, 506990), (1210, 478498), (1676, 345455), (2095, 276364), (2284, 253495), (2420, 239249), (2855, 202796), (4190, 138182), (4609, 125620), (5710, 101398), (6281, 92180), (8380, 69091), (9218, 62810), (11420, 50699), (12562, 46090), (18436, 31405), (23045, 25124)]