880650100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1106

約数の個数: 108

約数和(自身を含む): 2131442572

約数和(自身を除く): 1250792472

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 100, 110, 121, 146, 220, 242, 275, 292, 365, 484, 550, 605, 730, 803, 997, 1100, 1210, 1460, 1606, 1825, 1994, 2420, 3025, 3212, 3650, 3988, 4015, 4985, 6050, 7300, 8030, 8833, 9970, 10967, 12100, 16060, 17666, 19940, 20075, 21934, 24925, 35332, 40150, 43868, 44165, 49850, 54835, 72781, 80300, 88330, 99700, 109670, 120637, 145562, 176660, 219340, 220825, 241274, 274175, 291124, 363905, 441650, 482548, 548350, 603185, 727810, 800591, 883300, 1096700, 1206370, 1455620, 1601182, 1819525, 2412740, 3015925, 3202364, 3639050, 4002955, 6031850, 7278100, 8005910, 8806501, 12063700, 16011820, 17613002, 20014775, 35226004, 40029550, 44032505, 80059100, 88065010, 176130020, 220162525, 440325050, 880650100]

約数ペア:

[(1, 880650100), (2, 440325050), (4, 220162525), (5, 176130020), (10, 88065010), (11, 80059100), (20, 44032505), (22, 40029550), (25, 35226004), (44, 20014775), (50, 17613002), (55, 16011820), (73, 12063700), (100, 8806501), (110, 8005910), (121, 7278100), (146, 6031850), (220, 4002955), (242, 3639050), (275, 3202364), (292, 3015925), (365, 2412740), (484, 1819525), (550, 1601182), (605, 1455620), (730, 1206370), (803, 1096700), (997, 883300), (1100, 800591), (1210, 727810), (1460, 603185), (1606, 548350), (1825, 482548), (1994, 441650), (2420, 363905), (3025, 291124), (3212, 274175), (3650, 241274), (3988, 220825), (4015, 219340), (4985, 176660), (6050, 145562), (7300, 120637), (8030, 109670), (8833, 99700), (9970, 88330), (10967, 80300), (12100, 72781), (16060, 54835), (17666, 49850), (19940, 44165), (20075, 43868), (21934, 40150), (24925, 35332)]