178329320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20173}}^1$

素因数の和:20214

約数の個数: 64

約数和(自身を含む): 457546320

約数和(自身を除く): 279217000

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 20173, 40346, 80692, 100865, 161384, 201730, 262249, 342941, 403460, 524498, 685882, 806920, 1048996, 1311245, 1371764, 1714705, 2097992, 2622490, 2743528, 3429410, 4458233, 5244980, 6858820, 8916466, 10489960, 13717640, 17832932, 22291165, 35665864, 44582330, 89164660, 178329320]

約数ペア:

[(1, 178329320), (2, 89164660), (4, 44582330), (5, 35665864), (8, 22291165), (10, 17832932), (13, 13717640), (17, 10489960), (20, 8916466), (26, 6858820), (34, 5244980), (40, 4458233), (52, 3429410), (65, 2743528), (68, 2622490), (85, 2097992), (104, 1714705), (130, 1371764), (136, 1311245), (170, 1048996), (221, 806920), (260, 685882), (340, 524498), (442, 403460), (520, 342941), (680, 262249), (884, 201730), (1105, 161384), (1768, 100865), (2210, 80692), (4420, 40346), (8840, 20173)]