79822990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1957

約数の個数: 64

約数和(自身を含む): 172549440

約数和(自身を除く): 92726450

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1615, 1901, 2210, 2470, 3230, 3802, 4199, 8398, 9505, 19010, 20995, 24713, 32317, 36119, 41990, 49426, 64634, 72238, 123565, 161585, 180595, 247130, 323170, 361190, 420121, 469547, 614023, 840242, 939094, 1228046, 2100605, 2347735, 3070115, 4201210, 4695470, 6140230, 7982299, 15964598, 39911495, 79822990]

約数ペア:

[(1, 79822990), (2, 39911495), (5, 15964598), (10, 7982299), (13, 6140230), (17, 4695470), (19, 4201210), (26, 3070115), (34, 2347735), (38, 2100605), (65, 1228046), (85, 939094), (95, 840242), (130, 614023), (170, 469547), (190, 420121), (221, 361190), (247, 323170), (323, 247130), (442, 180595), (494, 161585), (646, 123565), (1105, 72238), (1235, 64634), (1615, 49426), (1901, 41990), (2210, 36119), (2470, 32317), (3230, 24713), (3802, 20995), (4199, 19010), (8398, 9505)]