278317700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 108

約数和(自身を含む): 659489040

約数和(自身を除く): 381171340

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 107, 148, 185, 190, 214, 370, 380, 428, 475, 535, 703, 740, 925, 950, 1070, 1369, 1406, 1850, 1900, 2033, 2140, 2675, 2738, 2812, 3515, 3700, 3959, 4066, 5350, 5476, 6845, 7030, 7918, 8132, 10165, 10700, 13690, 14060, 15836, 17575, 19795, 20330, 26011, 27380, 34225, 35150, 39590, 40660, 50825, 52022, 68450, 70300, 75221, 79180, 98975, 101650, 104044, 130055, 136900, 146483, 150442, 197950, 203300, 260110, 292966, 300884, 376105, 395900, 520220, 585932, 650275, 732415, 752210, 1300550, 1464830, 1504420, 1880525, 2601100, 2783177, 2929660, 3662075, 3761050, 5566354, 7324150, 7522100, 11132708, 13915885, 14648300, 27831770, 55663540, 69579425, 139158850, 278317700]

約数ペア:

[(1, 278317700), (2, 139158850), (4, 69579425), (5, 55663540), (10, 27831770), (19, 14648300), (20, 13915885), (25, 11132708), (37, 7522100), (38, 7324150), (50, 5566354), (74, 3761050), (76, 3662075), (95, 2929660), (100, 2783177), (107, 2601100), (148, 1880525), (185, 1504420), (190, 1464830), (214, 1300550), (370, 752210), (380, 732415), (428, 650275), (475, 585932), (535, 520220), (703, 395900), (740, 376105), (925, 300884), (950, 292966), (1070, 260110), (1369, 203300), (1406, 197950), (1850, 150442), (1900, 146483), (2033, 136900), (2140, 130055), (2675, 104044), (2738, 101650), (2812, 98975), (3515, 79180), (3700, 75221), (3959, 70300), (4066, 68450), (5350, 52022), (5476, 50825), (6845, 40660), (7030, 39590), (7918, 35150), (8132, 34225), (10165, 27380), (10700, 26011), (13690, 20330), (14060, 19795), (15836, 17575)]