30390220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^2$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 77916384

約数和(自身を除く): 47526164

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 113, 119, 140, 170, 226, 238, 340, 452, 476, 565, 595, 791, 1130, 1190, 1582, 1921, 2260, 2380, 3164, 3842, 3955, 7684, 7910, 9605, 12769, 13447, 15820, 19210, 25538, 26894, 38420, 51076, 53788, 63845, 67235, 89383, 127690, 134470, 178766, 217073, 255380, 268940, 357532, 434146, 446915, 868292, 893830, 1085365, 1519511, 1787660, 2170730, 3039022, 4341460, 6078044, 7597555, 15195110, 30390220]

約数ペア:

[(1, 30390220), (2, 15195110), (4, 7597555), (5, 6078044), (7, 4341460), (10, 3039022), (14, 2170730), (17, 1787660), (20, 1519511), (28, 1085365), (34, 893830), (35, 868292), (68, 446915), (70, 434146), (85, 357532), (113, 268940), (119, 255380), (140, 217073), (170, 178766), (226, 134470), (238, 127690), (340, 89383), (452, 67235), (476, 63845), (565, 53788), (595, 51076), (791, 38420), (1130, 26894), (1190, 25538), (1582, 19210), (1921, 15820), (2260, 13447), (2380, 12769), (3164, 9605), (3842, 7910), (3955, 7684)]