1238698940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{6229}}^1$

素因数の和:6462

約数の個数: 48

約数和(自身を含む): 2660558880

約数和(自身を除く): 1421859940

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 163, 244, 305, 326, 610, 652, 815, 1220, 1630, 3260, 6229, 9943, 12458, 19886, 24916, 31145, 39772, 49715, 62290, 99430, 124580, 198860, 379969, 759938, 1015327, 1519876, 1899845, 2030654, 3799690, 4061308, 5076635, 7599380, 10153270, 20306540, 61934947, 123869894, 247739788, 309674735, 619349470, 1238698940]

約数ペア:

[(1, 1238698940), (2, 619349470), (4, 309674735), (5, 247739788), (10, 123869894), (20, 61934947), (61, 20306540), (122, 10153270), (163, 7599380), (244, 5076635), (305, 4061308), (326, 3799690), (610, 2030654), (652, 1899845), (815, 1519876), (1220, 1015327), (1630, 759938), (3260, 379969), (6229, 198860), (9943, 124580), (12458, 99430), (19886, 62290), (24916, 49715), (31145, 39772)]