218428240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6983}}^1$

素因数の和:7036

約数の個数: 80

約数和(自身を含む): 561178368

約数和(自身を除く): 342750128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1360, 1564, 1840, 1955, 3128, 3910, 6256, 6983, 7820, 13966, 15640, 27932, 31280, 34915, 55864, 69830, 111728, 118711, 139660, 160609, 237422, 279320, 321218, 474844, 558640, 593555, 642436, 803045, 949688, 1187110, 1284872, 1606090, 1899376, 2374220, 2569744, 2730353, 3212180, 4748440, 5460706, 6424360, 9496880, 10921412, 12848720, 13651765, 21842824, 27303530, 43685648, 54607060, 109214120, 218428240]

約数ペア:

[(1, 218428240), (2, 109214120), (4, 54607060), (5, 43685648), (8, 27303530), (10, 21842824), (16, 13651765), (17, 12848720), (20, 10921412), (23, 9496880), (34, 6424360), (40, 5460706), (46, 4748440), (68, 3212180), (80, 2730353), (85, 2569744), (92, 2374220), (115, 1899376), (136, 1606090), (170, 1284872), (184, 1187110), (230, 949688), (272, 803045), (340, 642436), (368, 593555), (391, 558640), (460, 474844), (680, 321218), (782, 279320), (920, 237422), (1360, 160609), (1564, 139660), (1840, 118711), (1955, 111728), (3128, 69830), (3910, 55864), (6256, 34915), (6983, 31280), (7820, 27932), (13966, 15640)]