308340880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1231}}^1$

素因数の和:1376

約数の個数: 80

約数和(自身を含む): 747952128

約数和(自身を除く): 439611248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 101, 124, 155, 202, 248, 310, 404, 496, 505, 620, 808, 1010, 1231, 1240, 1616, 2020, 2462, 2480, 3131, 4040, 4924, 6155, 6262, 8080, 9848, 12310, 12524, 15655, 19696, 24620, 25048, 31310, 38161, 49240, 50096, 62620, 76322, 98480, 124331, 125240, 152644, 190805, 248662, 250480, 305288, 381610, 497324, 610576, 621655, 763220, 994648, 1243310, 1526440, 1989296, 2486620, 3052880, 3854261, 4973240, 7708522, 9946480, 15417044, 19271305, 30834088, 38542610, 61668176, 77085220, 154170440, 308340880]

約数ペア:

[(1, 308340880), (2, 154170440), (4, 77085220), (5, 61668176), (8, 38542610), (10, 30834088), (16, 19271305), (20, 15417044), (31, 9946480), (40, 7708522), (62, 4973240), (80, 3854261), (101, 3052880), (124, 2486620), (155, 1989296), (202, 1526440), (248, 1243310), (310, 994648), (404, 763220), (496, 621655), (505, 610576), (620, 497324), (808, 381610), (1010, 305288), (1231, 250480), (1240, 248662), (1616, 190805), (2020, 152644), (2462, 125240), (2480, 124331), (3131, 98480), (4040, 76322), (4924, 62620), (6155, 50096), (6262, 49240), (8080, 38161), (9848, 31310), (12310, 25048), (12524, 24620), (15655, 19696)]