9940580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 24072552

約数和(自身を除く): 14131972

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 173, 221, 260, 338, 340, 346, 442, 676, 692, 845, 865, 884, 1105, 1690, 1730, 2210, 2249, 2873, 2941, 3380, 3460, 4420, 4498, 5746, 5882, 8996, 11245, 11492, 11764, 14365, 14705, 22490, 28730, 29237, 29410, 38233, 44980, 57460, 58474, 58820, 76466, 116948, 146185, 152932, 191165, 292370, 382330, 497029, 584740, 764660, 994058, 1988116, 2485145, 4970290, 9940580]

約数ペア:

[(1, 9940580), (2, 4970290), (4, 2485145), (5, 1988116), (10, 994058), (13, 764660), (17, 584740), (20, 497029), (26, 382330), (34, 292370), (52, 191165), (65, 152932), (68, 146185), (85, 116948), (130, 76466), (169, 58820), (170, 58474), (173, 57460), (221, 44980), (260, 38233), (338, 29410), (340, 29237), (346, 28730), (442, 22490), (676, 14705), (692, 14365), (845, 11764), (865, 11492), (884, 11245), (1105, 8996), (1690, 5882), (1730, 5746), (2210, 4498), (2249, 4420), (2873, 3460), (2941, 3380)]