84486940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1301}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 188987904

約数和(自身を除く): 104500964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 764, 955, 1301, 1910, 2602, 3247, 3820, 5204, 6494, 6505, 12988, 13010, 16235, 22117, 26020, 32470, 44234, 64940, 88468, 110585, 221170, 248491, 442340, 496982, 993964, 1242455, 2484910, 4224347, 4969820, 8448694, 16897388, 21121735, 42243470, 84486940]

約数ペア:

[(1, 84486940), (2, 42243470), (4, 21121735), (5, 16897388), (10, 8448694), (17, 4969820), (20, 4224347), (34, 2484910), (68, 1242455), (85, 993964), (170, 496982), (191, 442340), (340, 248491), (382, 221170), (764, 110585), (955, 88468), (1301, 64940), (1910, 44234), (2602, 32470), (3247, 26020), (3820, 22117), (5204, 16235), (6494, 13010), (6505, 12988)]