157783210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 315542304

約数和(自身を除く): 157759094

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 101, 122, 130, 197, 202, 305, 394, 505, 610, 793, 985, 1010, 1313, 1586, 1970, 2561, 2626, 3965, 5122, 6161, 6565, 7930, 12017, 12322, 12805, 13130, 19897, 24034, 25610, 30805, 39794, 60085, 61610, 80093, 99485, 120170, 156221, 160186, 198970, 258661, 312442, 400465, 517322, 781105, 800930, 1213717, 1293305, 1562210, 2427434, 2586610, 6068585, 12137170, 15778321, 31556642, 78891605, 157783210]

約数ペア:

[(1, 157783210), (2, 78891605), (5, 31556642), (10, 15778321), (13, 12137170), (26, 6068585), (61, 2586610), (65, 2427434), (101, 1562210), (122, 1293305), (130, 1213717), (197, 800930), (202, 781105), (305, 517322), (394, 400465), (505, 312442), (610, 258661), (793, 198970), (985, 160186), (1010, 156221), (1313, 120170), (1586, 99485), (1970, 80093), (2561, 61610), (2626, 60085), (3965, 39794), (5122, 30805), (6161, 25610), (6565, 24034), (7930, 19897), (12017, 13130), (12322, 12805)]