291213166280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35951}}^1\times {\mathrm{6983}}^1$

素因数の和:42974

約数の個数: 64

約数和(自身を含む): 677939673600

約数和(自身を除く): 386726507320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 6983, 13966, 27932, 34915, 35951, 55864, 69830, 71902, 139660, 143804, 179755, 202507, 279320, 287608, 359510, 405014, 719020, 810028, 1012535, 1042579, 1438040, 1620056, 2025070, 2085158, 4050140, 4170316, 5212895, 8100280, 8340632, 10425790, 20851580, 41703160, 251045833, 502091666, 1004183332, 1255229165, 2008366664, 2510458330, 5020916660, 7280329157, 10041833320, 14560658314, 29121316628, 36401645785, 58242633256, 72803291570, 145606583140, 291213166280]

約数ペア:

[(1, 291213166280), (2, 145606583140), (4, 72803291570), (5, 58242633256), (8, 36401645785), (10, 29121316628), (20, 14560658314), (29, 10041833320), (40, 7280329157), (58, 5020916660), (116, 2510458330), (145, 2008366664), (232, 1255229165), (290, 1004183332), (580, 502091666), (1160, 251045833), (6983, 41703160), (13966, 20851580), (27932, 10425790), (34915, 8340632), (35951, 8100280), (55864, 5212895), (69830, 4170316), (71902, 4050140), (139660, 2085158), (143804, 2025070), (179755, 1620056), (202507, 1438040), (279320, 1042579), (287608, 1012535), (359510, 810028), (405014, 719020)]