221017440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{9397}}^1$

素因数の和:9429

約数の個数: 144

約数和(自身を含む): 809957232

約数和(自身を除く): 588939792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 9397, 11760, 18794, 23520, 28191, 37588, 46985, 56382, 65779, 75176, 93970, 112764, 131558, 140955, 150352, 187940, 197337, 225528, 263116, 281910, 300704, 328895, 375880, 394674, 451056, 460453, 526232, 563820, 657790, 751760, 789348, 902112, 920906, 986685, 1052464, 1127640, 1315580, 1381359, 1503520, 1578696, 1841812, 1973370, 2104928, 2255280, 2302265, 2631160, 2762718, 3157392, 3683624, 3946740, 4510560, 4604530, 5262320, 5525436, 6314784, 6906795, 7367248, 7893480, 9209060, 10524640, 11050872, 13813590, 14734496, 15786960, 18418120, 22101744, 27627180, 31573920, 36836240, 44203488, 55254360, 73672480, 110508720, 221017440]

約数ペア:

[(1, 221017440), (2, 110508720), (3, 73672480), (4, 55254360), (5, 44203488), (6, 36836240), (7, 31573920), (8, 27627180), (10, 22101744), (12, 18418120), (14, 15786960), (15, 14734496), (16, 13813590), (20, 11050872), (21, 10524640), (24, 9209060), (28, 7893480), (30, 7367248), (32, 6906795), (35, 6314784), (40, 5525436), (42, 5262320), (48, 4604530), (49, 4510560), (56, 3946740), (60, 3683624), (70, 3157392), (80, 2762718), (84, 2631160), (96, 2302265), (98, 2255280), (105, 2104928), (112, 1973370), (120, 1841812), (140, 1578696), (147, 1503520), (160, 1381359), (168, 1315580), (196, 1127640), (210, 1052464), (224, 986685), (240, 920906), (245, 902112), (280, 789348), (294, 751760), (336, 657790), (392, 563820), (420, 526232), (480, 460453), (490, 451056), (560, 394674), (588, 375880), (672, 328895), (735, 300704), (784, 281910), (840, 263116), (980, 225528), (1120, 197337), (1176, 187940), (1470, 150352), (1568, 140955), (1680, 131558), (1960, 112764), (2352, 93970), (2940, 75176), (3360, 65779), (3920, 56382), (4704, 46985), (5880, 37588), (7840, 28191), (9397, 23520), (11760, 18794)]