239408820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{757}}^1$

素因数の和:1030

約数の個数: 144

約数和(自身を含む): 834357888

約数和(自身を除く): 594949068

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 251, 252, 315, 420, 502, 630, 753, 757, 1004, 1255, 1260, 1506, 1514, 1757, 2259, 2271, 2510, 3012, 3028, 3514, 3765, 3785, 4518, 4542, 5020, 5271, 5299, 6813, 7028, 7530, 7570, 8785, 9036, 9084, 10542, 10598, 11295, 11355, 13626, 15060, 15140, 15813, 15897, 17570, 21084, 21196, 22590, 22710, 26355, 26495, 27252, 31626, 31794, 34065, 35140, 45180, 45420, 47691, 52710, 52990, 63252, 63588, 68130, 79065, 79485, 95382, 105420, 105980, 136260, 158130, 158970, 190007, 190764, 238455, 316260, 317940, 380014, 476910, 570021, 760028, 950035, 953820, 1140042, 1330049, 1710063, 1900070, 2280084, 2660098, 2850105, 3420126, 3800140, 3990147, 5320196, 5700210, 6650245, 6840252, 7980294, 8550315, 11400420, 11970441, 13300490, 15960588, 17100630, 19950735, 23940882, 26600980, 34201260, 39901470, 47881764, 59852205, 79802940, 119704410, 239408820]

約数ペア:

[(1, 239408820), (2, 119704410), (3, 79802940), (4, 59852205), (5, 47881764), (6, 39901470), (7, 34201260), (9, 26600980), (10, 23940882), (12, 19950735), (14, 17100630), (15, 15960588), (18, 13300490), (20, 11970441), (21, 11400420), (28, 8550315), (30, 7980294), (35, 6840252), (36, 6650245), (42, 5700210), (45, 5320196), (60, 3990147), (63, 3800140), (70, 3420126), (84, 2850105), (90, 2660098), (105, 2280084), (126, 1900070), (140, 1710063), (180, 1330049), (210, 1140042), (251, 953820), (252, 950035), (315, 760028), (420, 570021), (502, 476910), (630, 380014), (753, 317940), (757, 316260), (1004, 238455), (1255, 190764), (1260, 190007), (1506, 158970), (1514, 158130), (1757, 136260), (2259, 105980), (2271, 105420), (2510, 95382), (3012, 79485), (3028, 79065), (3514, 68130), (3765, 63588), (3785, 63252), (4518, 52990), (4542, 52710), (5020, 47691), (5271, 45420), (5299, 45180), (6813, 35140), (7028, 34065), (7530, 31794), (7570, 31626), (8785, 27252), (9036, 26495), (9084, 26355), (10542, 22710), (10598, 22590), (11295, 21196), (11355, 21084), (13626, 17570), (15060, 15897), (15140, 15813)]