250666000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:378

約数の個数: 160

約数和(自身を含む): 675956736

約数和(自身を除く): 425290736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 125, 130, 155, 200, 208, 248, 250, 260, 310, 311, 325, 400, 403, 496, 500, 520, 620, 622, 650, 775, 806, 1000, 1040, 1240, 1244, 1300, 1550, 1555, 1612, 1625, 2000, 2015, 2480, 2488, 2600, 3100, 3110, 3224, 3250, 3875, 4030, 4043, 4976, 5200, 6200, 6220, 6448, 6500, 7750, 7775, 8060, 8086, 9641, 10075, 12400, 12440, 13000, 15500, 15550, 16120, 16172, 19282, 20150, 20215, 24880, 26000, 31000, 31100, 32240, 32344, 38564, 38875, 40300, 40430, 48205, 50375, 62000, 62200, 64688, 77128, 77750, 80600, 80860, 96410, 100750, 101075, 124400, 125333, 154256, 155500, 161200, 161720, 192820, 201500, 202150, 241025, 250666, 311000, 323440, 385640, 403000, 404300, 482050, 501332, 505375, 622000, 626665, 771280, 806000, 808600, 964100, 1002664, 1010750, 1205125, 1253330, 1617200, 1928200, 2005328, 2021500, 2410250, 2506660, 3133325, 3856400, 4043000, 4820500, 5013320, 6266650, 8086000, 9641000, 10026640, 12533300, 15666625, 19282000, 25066600, 31333250, 50133200, 62666500, 125333000, 250666000]

約数ペア:

[(1, 250666000), (2, 125333000), (4, 62666500), (5, 50133200), (8, 31333250), (10, 25066600), (13, 19282000), (16, 15666625), (20, 12533300), (25, 10026640), (26, 9641000), (31, 8086000), (40, 6266650), (50, 5013320), (52, 4820500), (62, 4043000), (65, 3856400), (80, 3133325), (100, 2506660), (104, 2410250), (124, 2021500), (125, 2005328), (130, 1928200), (155, 1617200), (200, 1253330), (208, 1205125), (248, 1010750), (250, 1002664), (260, 964100), (310, 808600), (311, 806000), (325, 771280), (400, 626665), (403, 622000), (496, 505375), (500, 501332), (520, 482050), (620, 404300), (622, 403000), (650, 385640), (775, 323440), (806, 311000), (1000, 250666), (1040, 241025), (1240, 202150), (1244, 201500), (1300, 192820), (1550, 161720), (1555, 161200), (1612, 155500), (1625, 154256), (2000, 125333), (2015, 124400), (2480, 101075), (2488, 100750), (2600, 96410), (3100, 80860), (3110, 80600), (3224, 77750), (3250, 77128), (3875, 64688), (4030, 62200), (4043, 62000), (4976, 50375), (5200, 48205), (6200, 40430), (6220, 40300), (6448, 38875), (6500, 38564), (7750, 32344), (7775, 32240), (8060, 31100), (8086, 31000), (9641, 26000), (10075, 24880), (12400, 20215), (12440, 20150), (13000, 19282), (15500, 16172), (15550, 16120)]