262068280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{347}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 601344000

約数和(自身を除く): 339275720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 239, 316, 347, 395, 478, 632, 694, 790, 956, 1195, 1388, 1580, 1735, 1912, 2390, 2776, 3160, 3470, 4780, 6940, 9560, 13880, 18881, 27413, 37762, 54826, 75524, 82933, 94405, 109652, 137065, 151048, 165866, 188810, 219304, 274130, 331732, 377620, 414665, 548260, 663464, 755240, 829330, 1096520, 1658660, 3317320, 6551707, 13103414, 26206828, 32758535, 52413656, 65517070, 131034140, 262068280]

約数ペア:

[(1, 262068280), (2, 131034140), (4, 65517070), (5, 52413656), (8, 32758535), (10, 26206828), (20, 13103414), (40, 6551707), (79, 3317320), (158, 1658660), (239, 1096520), (316, 829330), (347, 755240), (395, 663464), (478, 548260), (632, 414665), (694, 377620), (790, 331732), (956, 274130), (1195, 219304), (1388, 188810), (1580, 165866), (1735, 151048), (1912, 137065), (2390, 109652), (2776, 94405), (3160, 82933), (3470, 75524), (4780, 54826), (6940, 37762), (9560, 27413), (13880, 18881)]