215319910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 431827200

約数和(自身を除く): 216507290

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 67, 118, 130, 134, 295, 335, 419, 590, 670, 767, 838, 871, 1534, 1742, 2095, 3835, 3953, 4190, 4355, 5447, 7670, 7906, 8710, 10894, 19765, 24721, 27235, 28073, 39530, 49442, 51389, 54470, 56146, 102778, 123605, 140365, 247210, 256945, 280730, 321373, 364949, 513890, 642746, 729898, 1606865, 1656307, 1824745, 3213730, 3312614, 3649490, 8281535, 16563070, 21531991, 43063982, 107659955, 215319910]

約数ペア:

[(1, 215319910), (2, 107659955), (5, 43063982), (10, 21531991), (13, 16563070), (26, 8281535), (59, 3649490), (65, 3312614), (67, 3213730), (118, 1824745), (130, 1656307), (134, 1606865), (295, 729898), (335, 642746), (419, 513890), (590, 364949), (670, 321373), (767, 280730), (838, 256945), (871, 247210), (1534, 140365), (1742, 123605), (2095, 102778), (3835, 56146), (3953, 54470), (4190, 51389), (4355, 49442), (5447, 39530), (7670, 28073), (7906, 27235), (8710, 24721), (10894, 19765)]