206581240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{269}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 474724800

約数和(自身を除く): 268143560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 263, 269, 292, 365, 526, 538, 584, 730, 1052, 1076, 1315, 1345, 1460, 2104, 2152, 2630, 2690, 2920, 5260, 5380, 10520, 10760, 19199, 19637, 38398, 39274, 70747, 76796, 78548, 95995, 98185, 141494, 153592, 157096, 191990, 196370, 282988, 353735, 383980, 392740, 565976, 707470, 767960, 785480, 1414940, 2829880, 5164531, 10329062, 20658124, 25822655, 41316248, 51645310, 103290620, 206581240]

約数ペア:

[(1, 206581240), (2, 103290620), (4, 51645310), (5, 41316248), (8, 25822655), (10, 20658124), (20, 10329062), (40, 5164531), (73, 2829880), (146, 1414940), (263, 785480), (269, 767960), (292, 707470), (365, 565976), (526, 392740), (538, 383980), (584, 353735), (730, 282988), (1052, 196370), (1076, 191990), (1315, 157096), (1345, 153592), (1460, 141494), (2104, 98185), (2152, 95995), (2630, 78548), (2690, 76796), (2920, 70747), (5260, 39274), (5380, 38398), (10520, 19637), (10760, 19199)]