84284980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19069}}^1$

素因数の和:19108

約数の個数: 48

約数和(自身を含む): 201836880

約数和(自身を除く): 117551900

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 19069, 38138, 76276, 95345, 190690, 247897, 324173, 381380, 495794, 648346, 991588, 1239485, 1296692, 1620865, 2478970, 3241730, 4214249, 4957940, 6483460, 8428498, 16856996, 21071245, 42142490, 84284980]

約数ペア:

[(1, 84284980), (2, 42142490), (4, 21071245), (5, 16856996), (10, 8428498), (13, 6483460), (17, 4957940), (20, 4214249), (26, 3241730), (34, 2478970), (52, 1620865), (65, 1296692), (68, 1239485), (85, 991588), (130, 648346), (170, 495794), (221, 381380), (260, 324173), (340, 247897), (442, 190690), (884, 95345), (1105, 76276), (2210, 38138), (4420, 19069)]