28950180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 96909120

約数和(自身を除く): 67958940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 229, 245, 258, 294, 301, 420, 430, 458, 490, 516, 588, 602, 645, 687, 735, 860, 903, 916, 980, 1145, 1204, 1290, 1374, 1470, 1505, 1603, 1806, 2107, 2290, 2580, 2748, 2940, 3010, 3206, 3435, 3612, 4214, 4515, 4580, 4809, 6020, 6321, 6412, 6870, 8015, 8428, 9030, 9618, 9847, 10535, 11221, 12642, 13740, 16030, 18060, 19236, 19694, 21070, 22442, 24045, 25284, 29541, 31605, 32060, 33663, 39388, 42140, 44884, 48090, 49235, 56105, 59082, 63210, 67326, 68929, 96180, 98470, 112210, 118164, 126420, 134652, 137858, 147705, 168315, 196940, 206787, 224420, 275716, 295410, 336630, 344645, 413574, 482503, 590820, 673260, 689290, 827148, 965006, 1033935, 1378580, 1447509, 1930012, 2067870, 2412515, 2895018, 4135740, 4825030, 5790036, 7237545, 9650060, 14475090, 28950180]

約数ペア:

[(1, 28950180), (2, 14475090), (3, 9650060), (4, 7237545), (5, 5790036), (6, 4825030), (7, 4135740), (10, 2895018), (12, 2412515), (14, 2067870), (15, 1930012), (20, 1447509), (21, 1378580), (28, 1033935), (30, 965006), (35, 827148), (42, 689290), (43, 673260), (49, 590820), (60, 482503), (70, 413574), (84, 344645), (86, 336630), (98, 295410), (105, 275716), (129, 224420), (140, 206787), (147, 196940), (172, 168315), (196, 147705), (210, 137858), (215, 134652), (229, 126420), (245, 118164), (258, 112210), (294, 98470), (301, 96180), (420, 68929), (430, 67326), (458, 63210), (490, 59082), (516, 56105), (588, 49235), (602, 48090), (645, 44884), (687, 42140), (735, 39388), (860, 33663), (903, 32060), (916, 31605), (980, 29541), (1145, 25284), (1204, 24045), (1290, 22442), (1374, 21070), (1470, 19694), (1505, 19236), (1603, 18060), (1806, 16030), (2107, 13740), (2290, 12642), (2580, 11221), (2748, 10535), (2940, 9847), (3010, 9618), (3206, 9030), (3435, 8428), (3612, 8015), (4214, 6870), (4515, 6412), (4580, 6321), (4809, 6020)]