291213166240

素因数分解:

$2^5\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2216909}}^1$

素因数の和:2217745

約数の個数: 48

約数和(自身を含む): 688829407560

約数和(自身を除く): 397616241320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 821, 1642, 3284, 4105, 6568, 8210, 13136, 16420, 26272, 32840, 65680, 131360, 2216909, 4433818, 8867636, 11084545, 17735272, 22169090, 35470544, 44338180, 70941088, 88676360, 177352720, 354705440, 1820082289, 3640164578, 7280329156, 9100411445, 14560658312, 18200822890, 29121316624, 36401645780, 58242633248, 72803291560, 145606583120, 291213166240]

約数ペア:

[(1, 291213166240), (2, 145606583120), (4, 72803291560), (5, 58242633248), (8, 36401645780), (10, 29121316624), (16, 18200822890), (20, 14560658312), (32, 9100411445), (40, 7280329156), (80, 3640164578), (160, 1820082289), (821, 354705440), (1642, 177352720), (3284, 88676360), (4105, 70941088), (6568, 44338180), (8210, 35470544), (13136, 22169090), (16420, 17735272), (26272, 11084545), (32840, 8867636), (65680, 4433818), (131360, 2216909)]