313620580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 836559360

約数和(自身を除く): 522938780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 103, 130, 140, 182, 196, 206, 239, 245, 260, 364, 412, 455, 478, 490, 515, 637, 721, 910, 956, 980, 1030, 1195, 1274, 1339, 1442, 1673, 1820, 2060, 2390, 2548, 2678, 2884, 3107, 3185, 3346, 3605, 4780, 5047, 5356, 6214, 6370, 6692, 6695, 7210, 8365, 9373, 10094, 11711, 12428, 12740, 13390, 14420, 15535, 16730, 18746, 20188, 21749, 23422, 24617, 25235, 26780, 31070, 33460, 37492, 43498, 46844, 46865, 49234, 50470, 58555, 62140, 65611, 86996, 93730, 98468, 100940, 108745, 117110, 123085, 131222, 152243, 172319, 187460, 217490, 234220, 246170, 262444, 304486, 320021, 328055, 344638, 434980, 492340, 608972, 640042, 656110, 689276, 761215, 861595, 1206233, 1280084, 1312220, 1522430, 1600105, 1723190, 2240147, 2412466, 3044860, 3200210, 3446380, 4480294, 4824932, 6031165, 6400420, 8960588, 11200735, 12062330, 15681029, 22401470, 24124660, 31362058, 44802940, 62724116, 78405145, 156810290, 313620580]

約数ペア:

[(1, 313620580), (2, 156810290), (4, 78405145), (5, 62724116), (7, 44802940), (10, 31362058), (13, 24124660), (14, 22401470), (20, 15681029), (26, 12062330), (28, 11200735), (35, 8960588), (49, 6400420), (52, 6031165), (65, 4824932), (70, 4480294), (91, 3446380), (98, 3200210), (103, 3044860), (130, 2412466), (140, 2240147), (182, 1723190), (196, 1600105), (206, 1522430), (239, 1312220), (245, 1280084), (260, 1206233), (364, 861595), (412, 761215), (455, 689276), (478, 656110), (490, 640042), (515, 608972), (637, 492340), (721, 434980), (910, 344638), (956, 328055), (980, 320021), (1030, 304486), (1195, 262444), (1274, 246170), (1339, 234220), (1442, 217490), (1673, 187460), (1820, 172319), (2060, 152243), (2390, 131222), (2548, 123085), (2678, 117110), (2884, 108745), (3107, 100940), (3185, 98468), (3346, 93730), (3605, 86996), (4780, 65611), (5047, 62140), (5356, 58555), (6214, 50470), (6370, 49234), (6692, 46865), (6695, 46844), (7210, 43498), (8365, 37492), (9373, 33460), (10094, 31070), (11711, 26780), (12428, 25235), (12740, 24617), (13390, 23422), (14420, 21749), (15535, 20188), (16730, 18746)]