203425690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 407860992

約数和(自身を除く): 204435302

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 151, 215, 241, 302, 430, 482, 559, 755, 1118, 1205, 1510, 1963, 2410, 2795, 3133, 3926, 5590, 6266, 6493, 9815, 10363, 12986, 15665, 19630, 20726, 31330, 32465, 36391, 51815, 64930, 72782, 84409, 103630, 134719, 168818, 181955, 269438, 363910, 422045, 473083, 673595, 844090, 946166, 1347190, 1564813, 2365415, 3129626, 4730830, 7824065, 15648130, 20342569, 40685138, 101712845, 203425690]

約数ペア:

[(1, 203425690), (2, 101712845), (5, 40685138), (10, 20342569), (13, 15648130), (26, 7824065), (43, 4730830), (65, 3129626), (86, 2365415), (130, 1564813), (151, 1347190), (215, 946166), (241, 844090), (302, 673595), (430, 473083), (482, 422045), (559, 363910), (755, 269438), (1118, 181955), (1205, 168818), (1510, 134719), (1963, 103630), (2410, 84409), (2795, 72782), (3133, 64930), (3926, 51815), (5590, 36391), (6266, 32465), (6493, 31330), (9815, 20726), (10363, 19630), (12986, 15665)]