20009999700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{49739}}^1$

素因数の和:49911

約数の個数: 144

約数和(自身を含む): 64761480000

約数和(自身を除く): 44751480300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 149, 150, 180, 225, 270, 298, 300, 447, 450, 540, 596, 675, 745, 894, 900, 1341, 1350, 1490, 1788, 2235, 2682, 2700, 2980, 3725, 4023, 4470, 5364, 6705, 7450, 8046, 8940, 11175, 13410, 14900, 16092, 20115, 22350, 26820, 33525, 40230, 44700, 49739, 67050, 80460, 99478, 100575, 134100, 149217, 198956, 201150, 248695, 298434, 402300, 447651, 497390, 596868, 746085, 895302, 994780, 1243475, 1342953, 1492170, 1790604, 2238255, 2486950, 2685906, 2984340, 3730425, 4476510, 4973900, 5371812, 6714765, 7411111, 7460850, 8953020, 11191275, 13429530, 14822222, 14921700, 22233333, 22382550, 26859060, 29644444, 33573825, 37055555, 44466666, 44765100, 66699999, 67147650, 74111110, 88933332, 111166665, 133399998, 134295300, 148222220, 185277775, 200099997, 222333330, 266799996, 333499995, 370555550, 400199994, 444666660, 555833325, 666999990, 741111100, 800399988, 1000499985, 1111666650, 1333999980, 1667499975, 2000999970, 2223333300, 3334999950, 4001999940, 5002499925, 6669999900, 10004999850, 20009999700]

約数ペア:

[(1, 20009999700), (2, 10004999850), (3, 6669999900), (4, 5002499925), (5, 4001999940), (6, 3334999950), (9, 2223333300), (10, 2000999970), (12, 1667499975), (15, 1333999980), (18, 1111666650), (20, 1000499985), (25, 800399988), (27, 741111100), (30, 666999990), (36, 555833325), (45, 444666660), (50, 400199994), (54, 370555550), (60, 333499995), (75, 266799996), (90, 222333330), (100, 200099997), (108, 185277775), (135, 148222220), (149, 134295300), (150, 133399998), (180, 111166665), (225, 88933332), (270, 74111110), (298, 67147650), (300, 66699999), (447, 44765100), (450, 44466666), (540, 37055555), (596, 33573825), (675, 29644444), (745, 26859060), (894, 22382550), (900, 22233333), (1341, 14921700), (1350, 14822222), (1490, 13429530), (1788, 11191275), (2235, 8953020), (2682, 7460850), (2700, 7411111), (2980, 6714765), (3725, 5371812), (4023, 4973900), (4470, 4476510), (5364, 3730425), (6705, 2984340), (7450, 2685906), (8046, 2486950), (8940, 2238255), (11175, 1790604), (13410, 1492170), (14900, 1342953), (16092, 1243475), (20115, 994780), (22350, 895302), (26820, 746085), (33525, 596868), (40230, 497390), (44700, 447651), (49739, 402300), (67050, 298434), (80460, 248695), (99478, 201150), (100575, 198956), (134100, 149217)]