78393900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20101}}^1$

素因数の和:20131

約数の個数: 72

約数和(自身を含む): 244279504

約数和(自身を除く): 165885604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 20101, 40202, 60303, 80404, 100505, 120606, 201010, 241212, 261313, 301515, 402020, 502525, 522626, 603030, 783939, 1005050, 1045252, 1206060, 1306565, 1507575, 1567878, 2010100, 2613130, 3015150, 3135756, 3919695, 5226260, 6030300, 6532825, 7839390, 13065650, 15678780, 19598475, 26131300, 39196950, 78393900]

約数ペア:

[(1, 78393900), (2, 39196950), (3, 26131300), (4, 19598475), (5, 15678780), (6, 13065650), (10, 7839390), (12, 6532825), (13, 6030300), (15, 5226260), (20, 3919695), (25, 3135756), (26, 3015150), (30, 2613130), (39, 2010100), (50, 1567878), (52, 1507575), (60, 1306565), (65, 1206060), (75, 1045252), (78, 1005050), (100, 783939), (130, 603030), (150, 522626), (156, 502525), (195, 402020), (260, 301515), (300, 261313), (325, 241212), (390, 201010), (650, 120606), (780, 100505), (975, 80404), (1300, 60303), (1950, 40202), (3900, 20101)]