30385880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 81874800

約数和(自身を除く): 51488920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 419, 490, 518, 740, 838, 980, 1036, 1295, 1480, 1676, 1813, 1960, 2072, 2095, 2590, 2933, 3352, 3626, 4190, 5180, 5866, 7252, 8380, 9065, 10360, 11732, 14504, 14665, 15503, 16760, 18130, 20531, 23464, 29330, 31006, 36260, 41062, 58660, 62012, 72520, 77515, 82124, 102655, 108521, 117320, 124024, 155030, 164248, 205310, 217042, 310060, 410620, 434084, 542605, 620120, 759647, 821240, 868168, 1085210, 1519294, 2170420, 3038588, 3798235, 4340840, 6077176, 7596470, 15192940, 30385880]

約数ペア:

[(1, 30385880), (2, 15192940), (4, 7596470), (5, 6077176), (7, 4340840), (8, 3798235), (10, 3038588), (14, 2170420), (20, 1519294), (28, 1085210), (35, 868168), (37, 821240), (40, 759647), (49, 620120), (56, 542605), (70, 434084), (74, 410620), (98, 310060), (140, 217042), (148, 205310), (185, 164248), (196, 155030), (245, 124024), (259, 117320), (280, 108521), (296, 102655), (370, 82124), (392, 77515), (419, 72520), (490, 62012), (518, 58660), (740, 41062), (838, 36260), (980, 31006), (1036, 29330), (1295, 23464), (1480, 20531), (1676, 18130), (1813, 16760), (1960, 15503), (2072, 14665), (2095, 14504), (2590, 11732), (2933, 10360), (3352, 9065), (3626, 8380), (4190, 7252), (5180, 5866)]