18777200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 51017568

約数和(自身を除く): 32240368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 40, 46, 50, 52, 65, 80, 92, 100, 104, 115, 130, 157, 184, 200, 208, 230, 260, 299, 314, 325, 368, 400, 460, 520, 575, 598, 628, 650, 785, 920, 1040, 1150, 1196, 1256, 1300, 1495, 1570, 1840, 2041, 2300, 2392, 2512, 2600, 2990, 3140, 3611, 3925, 4082, 4600, 4784, 5200, 5980, 6280, 7222, 7475, 7850, 8164, 9200, 10205, 11960, 12560, 14444, 14950, 15700, 16328, 18055, 20410, 23920, 28888, 29900, 31400, 32656, 36110, 40820, 46943, 51025, 57776, 59800, 62800, 72220, 81640, 90275, 93886, 102050, 119600, 144440, 163280, 180550, 187772, 204100, 234715, 288880, 361100, 375544, 408200, 469430, 722200, 751088, 816400, 938860, 1173575, 1444400, 1877720, 2347150, 3755440, 4694300, 9388600, 18777200]

約数ペア:

[(1, 18777200), (2, 9388600), (4, 4694300), (5, 3755440), (8, 2347150), (10, 1877720), (13, 1444400), (16, 1173575), (20, 938860), (23, 816400), (25, 751088), (26, 722200), (40, 469430), (46, 408200), (50, 375544), (52, 361100), (65, 288880), (80, 234715), (92, 204100), (100, 187772), (104, 180550), (115, 163280), (130, 144440), (157, 119600), (184, 102050), (200, 93886), (208, 90275), (230, 81640), (260, 72220), (299, 62800), (314, 59800), (325, 57776), (368, 51025), (400, 46943), (460, 40820), (520, 36110), (575, 32656), (598, 31400), (628, 29900), (650, 28888), (785, 23920), (920, 20410), (1040, 18055), (1150, 16328), (1196, 15700), (1256, 14950), (1300, 14444), (1495, 12560), (1570, 11960), (1840, 10205), (2041, 9200), (2300, 8164), (2392, 7850), (2512, 7475), (2600, 7222), (2990, 6280), (3140, 5980), (3611, 5200), (3925, 4784), (4082, 4600)]