29549780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1277}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 67631760

約数和(自身を除く): 38081980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1277, 1780, 2314, 2554, 4628, 5108, 5785, 6385, 11570, 12770, 16601, 23140, 25540, 33202, 66404, 83005, 113653, 166010, 227306, 332020, 454612, 568265, 1136530, 1477489, 2273060, 2954978, 5909956, 7387445, 14774890, 29549780]

約数ペア:

[(1, 29549780), (2, 14774890), (4, 7387445), (5, 5909956), (10, 2954978), (13, 2273060), (20, 1477489), (26, 1136530), (52, 568265), (65, 454612), (89, 332020), (130, 227306), (178, 166010), (260, 113653), (356, 83005), (445, 66404), (890, 33202), (1157, 25540), (1277, 23140), (1780, 16601), (2314, 12770), (2554, 11570), (4628, 6385), (5108, 5785)]