749068520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{2347}}^1$

素因数の和:2538

約数の個数: 64

約数和(自身を含む): 1724371200

約数和(自身を除く): 975302680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 101, 158, 202, 316, 395, 404, 505, 632, 790, 808, 1010, 1580, 2020, 2347, 3160, 4040, 4694, 7979, 9388, 11735, 15958, 18776, 23470, 31916, 39895, 46940, 63832, 79790, 93880, 159580, 185413, 237047, 319160, 370826, 474094, 741652, 927065, 948188, 1185235, 1483304, 1854130, 1896376, 2370470, 3708260, 4740940, 7416520, 9481880, 18726713, 37453426, 74906852, 93633565, 149813704, 187267130, 374534260, 749068520]

約数ペア:

[(1, 749068520), (2, 374534260), (4, 187267130), (5, 149813704), (8, 93633565), (10, 74906852), (20, 37453426), (40, 18726713), (79, 9481880), (101, 7416520), (158, 4740940), (202, 3708260), (316, 2370470), (395, 1896376), (404, 1854130), (505, 1483304), (632, 1185235), (790, 948188), (808, 927065), (1010, 741652), (1580, 474094), (2020, 370826), (2347, 319160), (3160, 237047), (4040, 185413), (4694, 159580), (7979, 93880), (9388, 79790), (11735, 63832), (15958, 46940), (18776, 39895), (23470, 31916)]