220857520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11177}}^1$

素因数の和:11222

約数の個数: 80

約数和(自身を含む): 582150240

約数和(自身を除く): 361292720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 11177, 19760, 22354, 44708, 55885, 89416, 111770, 145301, 178832, 212363, 223540, 290602, 424726, 447080, 581204, 726505, 849452, 894160, 1061815, 1162408, 1453010, 1698904, 2123630, 2324816, 2760719, 2906020, 3397808, 4247260, 5521438, 5812040, 8494520, 11042876, 11624080, 13803595, 16989040, 22085752, 27607190, 44171504, 55214380, 110428760, 220857520]

約数ペア:

[(1, 220857520), (2, 110428760), (4, 55214380), (5, 44171504), (8, 27607190), (10, 22085752), (13, 16989040), (16, 13803595), (19, 11624080), (20, 11042876), (26, 8494520), (38, 5812040), (40, 5521438), (52, 4247260), (65, 3397808), (76, 2906020), (80, 2760719), (95, 2324816), (104, 2123630), (130, 1698904), (152, 1453010), (190, 1162408), (208, 1061815), (247, 894160), (260, 849452), (304, 726505), (380, 581204), (494, 447080), (520, 424726), (760, 290602), (988, 223540), (1040, 212363), (1235, 178832), (1520, 145301), (1976, 111770), (2470, 89416), (3952, 55885), (4940, 44708), (9880, 22354), (11177, 19760)]