221569032980

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1\times {\mathrm{2441}}^1$

素因数の和:3009

約数の個数: 96

約数和(自身を含む): 474879525120

約数和(自身を除く): 253310492140

約数列:

[1, 2, 4, 5, 10, 20, 103, 139, 206, 278, 317, 412, 515, 556, 634, 695, 1030, 1268, 1390, 1585, 2060, 2441, 2780, 3170, 4882, 6340, 9764, 12205, 14317, 24410, 28634, 32651, 44063, 48820, 57268, 65302, 71585, 88126, 130604, 143170, 163255, 176252, 220315, 251423, 286340, 326510, 339299, 440630, 502846, 653020, 678598, 773797, 881260, 1005692, 1257115, 1357196, 1547594, 1696495, 2514230, 3095188, 3392990, 3868985, 4538489, 5028460, 6785980, 7737970, 9076978, 15475940, 18153956, 22692445, 34947797, 45384890, 69895594, 79701091, 90769780, 107557783, 139791188, 159402182, 174738985, 215115566, 318804364, 349477970, 398505455, 430231132, 537788915, 698955940, 797010910, 1075577830, 1594021820, 2151155660, 11078451649, 22156903298, 44313806596, 55392258245, 110784516490, 221569032980]

約数ペア:

[(1, 221569032980), (2, 110784516490), (4, 55392258245), (5, 44313806596), (10, 22156903298), (20, 11078451649), (103, 2151155660), (139, 1594021820), (206, 1075577830), (278, 797010910), (317, 698955940), (412, 537788915), (515, 430231132), (556, 398505455), (634, 349477970), (695, 318804364), (1030, 215115566), (1268, 174738985), (1390, 159402182), (1585, 139791188), (2060, 107557783), (2441, 90769780), (2780, 79701091), (3170, 69895594), (4882, 45384890), (6340, 34947797), (9764, 22692445), (12205, 18153956), (14317, 15475940), (24410, 9076978), (28634, 7737970), (32651, 6785980), (44063, 5028460), (48820, 4538489), (57268, 3868985), (65302, 3392990), (71585, 3095188), (88126, 2514230), (130604, 1696495), (143170, 1547594), (163255, 1357196), (176252, 1257115), (220315, 1005692), (251423, 881260), (286340, 773797), (326510, 678598), (339299, 653020), (440630, 502846)]