617624390

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^2$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 1157939280

約数和(自身を除く): 540314890

約数列:

[1, 2, 5, 10, 59, 61, 118, 122, 131, 262, 295, 305, 590, 610, 655, 1310, 3599, 7198, 7729, 7991, 15458, 15982, 17161, 17995, 34322, 35990, 38645, 39955, 77290, 79910, 85805, 171610, 471469, 942938, 1012499, 1046821, 2024998, 2093642, 2357345, 4714690, 5062495, 5234105, 10124990, 10468210, 61762439, 123524878, 308812195, 617624390]

約数ペア:

[(1, 617624390), (2, 308812195), (5, 123524878), (10, 61762439), (59, 10468210), (61, 10124990), (118, 5234105), (122, 5062495), (131, 4714690), (262, 2357345), (295, 2093642), (305, 2024998), (590, 1046821), (610, 1012499), (655, 942938), (1310, 471469), (3599, 171610), (7198, 85805), (7729, 79910), (7991, 77290), (15458, 39955), (15982, 38645), (17161, 35990), (17995, 34322)]