309249780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{359}}^1$

素因数の和:678

約数の個数: 144

約数和(自身を含む): 1013523840

約数和(自身を除く): 704274060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 293, 294, 359, 420, 490, 586, 588, 718, 735, 879, 980, 1077, 1172, 1436, 1465, 1470, 1758, 1795, 2051, 2154, 2513, 2930, 2940, 3516, 3590, 4102, 4308, 4395, 5026, 5385, 5860, 6153, 7180, 7539, 8204, 8790, 10052, 10255, 10770, 12306, 12565, 14357, 15078, 17580, 17591, 20510, 21540, 24612, 25130, 28714, 30156, 30765, 35182, 37695, 41020, 43071, 50260, 52773, 57428, 61530, 70364, 71785, 75390, 86142, 87955, 105187, 105546, 123060, 143570, 150780, 172284, 175910, 210374, 211092, 215355, 263865, 287140, 315561, 351820, 420748, 430710, 525935, 527730, 631122, 736309, 861420, 1051870, 1055460, 1262244, 1472618, 1577805, 2103740, 2208927, 2945236, 3155610, 3681545, 4417854, 5154163, 6311220, 7363090, 8835708, 10308326, 11044635, 14726180, 15462489, 20616652, 22089270, 25770815, 30924978, 44178540, 51541630, 61849956, 77312445, 103083260, 154624890, 309249780]

約数ペア:

[(1, 309249780), (2, 154624890), (3, 103083260), (4, 77312445), (5, 61849956), (6, 51541630), (7, 44178540), (10, 30924978), (12, 25770815), (14, 22089270), (15, 20616652), (20, 15462489), (21, 14726180), (28, 11044635), (30, 10308326), (35, 8835708), (42, 7363090), (49, 6311220), (60, 5154163), (70, 4417854), (84, 3681545), (98, 3155610), (105, 2945236), (140, 2208927), (147, 2103740), (196, 1577805), (210, 1472618), (245, 1262244), (293, 1055460), (294, 1051870), (359, 861420), (420, 736309), (490, 631122), (586, 527730), (588, 525935), (718, 430710), (735, 420748), (879, 351820), (980, 315561), (1077, 287140), (1172, 263865), (1436, 215355), (1465, 211092), (1470, 210374), (1758, 175910), (1795, 172284), (2051, 150780), (2154, 143570), (2513, 123060), (2930, 105546), (2940, 105187), (3516, 87955), (3590, 86142), (4102, 75390), (4308, 71785), (4395, 70364), (5026, 61530), (5385, 57428), (5860, 52773), (6153, 50260), (7180, 43071), (7539, 41020), (8204, 37695), (8790, 35182), (10052, 30765), (10255, 30156), (10770, 28714), (12306, 25130), (12565, 24612), (14357, 21540), (15078, 20510), (17580, 17591)]