387645700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9619}}^1$

素因数の和:9677

約数の個数: 72

約数和(自身を含む): 935217920

約数和(自身を除く): 547572220

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 3100, 4030, 8060, 9619, 10075, 19238, 20150, 38476, 40300, 48095, 96190, 125047, 192380, 240475, 250094, 298189, 480950, 500188, 596378, 625235, 961900, 1192756, 1250470, 1490945, 2500940, 2981890, 3126175, 3876457, 5963780, 6252350, 7454725, 7752914, 12504700, 14909450, 15505828, 19382285, 29818900, 38764570, 77529140, 96911425, 193822850, 387645700]

約数ペア:

[(1, 387645700), (2, 193822850), (4, 96911425), (5, 77529140), (10, 38764570), (13, 29818900), (20, 19382285), (25, 15505828), (26, 14909450), (31, 12504700), (50, 7752914), (52, 7454725), (62, 6252350), (65, 5963780), (100, 3876457), (124, 3126175), (130, 2981890), (155, 2500940), (260, 1490945), (310, 1250470), (325, 1192756), (403, 961900), (620, 625235), (650, 596378), (775, 500188), (806, 480950), (1300, 298189), (1550, 250094), (1612, 240475), (2015, 192380), (3100, 125047), (4030, 96190), (8060, 48095), (9619, 40300), (10075, 38476), (19238, 20150)]