28128550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 57027600

約数和(自身を除く): 28899050

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 475, 551, 725, 950, 1021, 1102, 1450, 2042, 2755, 5105, 5510, 10210, 13775, 19399, 25525, 27550, 29609, 38798, 51050, 59218, 96995, 148045, 193990, 296090, 484975, 562571, 740225, 969950, 1125142, 1480450, 2812855, 5625710, 14064275, 28128550]

約数ペア:

[(1, 28128550), (2, 14064275), (5, 5625710), (10, 2812855), (19, 1480450), (25, 1125142), (29, 969950), (38, 740225), (50, 562571), (58, 484975), (95, 296090), (145, 193990), (190, 148045), (290, 96995), (475, 59218), (551, 51050), (725, 38798), (950, 29609), (1021, 27550), (1102, 25525), (1450, 19399), (2042, 13775), (2755, 10210), (5105, 5510)]