17640220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 42611184

約数和(自身を除く): 24970964

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 307, 338, 340, 442, 614, 676, 845, 884, 1105, 1228, 1535, 1690, 2210, 2873, 3070, 3380, 3991, 4420, 5219, 5746, 6140, 7982, 10438, 11492, 14365, 15964, 19955, 20876, 26095, 28730, 39910, 51883, 52190, 57460, 67847, 79820, 103766, 104380, 135694, 207532, 259415, 271388, 339235, 518830, 678470, 882011, 1037660, 1356940, 1764022, 3528044, 4410055, 8820110, 17640220]

約数ペア:

[(1, 17640220), (2, 8820110), (4, 4410055), (5, 3528044), (10, 1764022), (13, 1356940), (17, 1037660), (20, 882011), (26, 678470), (34, 518830), (52, 339235), (65, 271388), (68, 259415), (85, 207532), (130, 135694), (169, 104380), (170, 103766), (221, 79820), (260, 67847), (307, 57460), (338, 52190), (340, 51883), (442, 39910), (614, 28730), (676, 26095), (845, 20876), (884, 19955), (1105, 15964), (1228, 14365), (1535, 11492), (1690, 10438), (2210, 7982), (2873, 6140), (3070, 5746), (3380, 5219), (3991, 4420)]