850872820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{173}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 2213447040

約数和(自身を除く): 1362574220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 70, 76, 86, 95, 133, 140, 172, 173, 190, 215, 266, 301, 346, 380, 430, 532, 602, 665, 692, 817, 860, 865, 1204, 1211, 1330, 1505, 1634, 1730, 1849, 2422, 2660, 3010, 3268, 3287, 3460, 3698, 4085, 4844, 5719, 6020, 6055, 6574, 7396, 7439, 8170, 9245, 11438, 12110, 12943, 13148, 14878, 16340, 16435, 18490, 22876, 23009, 24220, 25886, 28595, 29756, 32870, 35131, 36980, 37195, 46018, 51772, 52073, 57190, 64715, 65740, 70262, 74390, 92036, 104146, 114380, 115045, 129430, 140524, 141341, 148780, 175655, 208292, 230090, 245917, 258860, 260365, 282682, 319877, 351310, 460180, 491834, 520730, 565364, 639754, 702620, 706705, 983668, 989387, 1041460, 1229585, 1279508, 1413410, 1599385, 1978774, 2239139, 2459170, 2826820, 3198770, 3957548, 4478278, 4918340, 4946935, 6077663, 6397540, 8956556, 9893870, 11195695, 12155326, 19787740, 22391390, 24310652, 30388315, 42543641, 44782780, 60776630, 85087282, 121553260, 170174564, 212718205, 425436410, 850872820]

約数ペア:

[(1, 850872820), (2, 425436410), (4, 212718205), (5, 170174564), (7, 121553260), (10, 85087282), (14, 60776630), (19, 44782780), (20, 42543641), (28, 30388315), (35, 24310652), (38, 22391390), (43, 19787740), (70, 12155326), (76, 11195695), (86, 9893870), (95, 8956556), (133, 6397540), (140, 6077663), (172, 4946935), (173, 4918340), (190, 4478278), (215, 3957548), (266, 3198770), (301, 2826820), (346, 2459170), (380, 2239139), (430, 1978774), (532, 1599385), (602, 1413410), (665, 1279508), (692, 1229585), (817, 1041460), (860, 989387), (865, 983668), (1204, 706705), (1211, 702620), (1330, 639754), (1505, 565364), (1634, 520730), (1730, 491834), (1849, 460180), (2422, 351310), (2660, 319877), (3010, 282682), (3268, 260365), (3287, 258860), (3460, 245917), (3698, 230090), (4085, 208292), (4844, 175655), (5719, 148780), (6020, 141341), (6055, 140524), (6574, 129430), (7396, 115045), (7439, 114380), (8170, 104146), (9245, 92036), (11438, 74390), (12110, 70262), (12943, 65740), (13148, 64715), (14878, 57190), (16340, 52073), (16435, 51772), (18490, 46018), (22876, 37195), (23009, 36980), (24220, 35131), (25886, 32870), (28595, 29756)]