200920770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 557383680

約数和(自身を除く): 356462910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 71, 90, 94, 135, 141, 142, 213, 223, 235, 270, 282, 355, 423, 426, 446, 470, 639, 669, 705, 710, 846, 1065, 1115, 1269, 1278, 1338, 1410, 1917, 2007, 2115, 2130, 2230, 2538, 3195, 3337, 3345, 3834, 4014, 4230, 6021, 6345, 6390, 6674, 6690, 9585, 10011, 10035, 10481, 12042, 12690, 15833, 16685, 19170, 20022, 20070, 20962, 30033, 30105, 31443, 31666, 33370, 47499, 50055, 52405, 60066, 60210, 62886, 79165, 90099, 94329, 94998, 100110, 104810, 142497, 150165, 157215, 158330, 180198, 188658, 237495, 282987, 284994, 300330, 314430, 427491, 450495, 471645, 474990, 565974, 712485, 744151, 854982, 900990, 943290, 1414935, 1424970, 1488302, 2137455, 2232453, 2829870, 3720755, 4274910, 4464906, 6697359, 7441510, 11162265, 13394718, 20092077, 22324530, 33486795, 40184154, 66973590, 100460385, 200920770]

約数ペア:

[(1, 200920770), (2, 100460385), (3, 66973590), (5, 40184154), (6, 33486795), (9, 22324530), (10, 20092077), (15, 13394718), (18, 11162265), (27, 7441510), (30, 6697359), (45, 4464906), (47, 4274910), (54, 3720755), (71, 2829870), (90, 2232453), (94, 2137455), (135, 1488302), (141, 1424970), (142, 1414935), (213, 943290), (223, 900990), (235, 854982), (270, 744151), (282, 712485), (355, 565974), (423, 474990), (426, 471645), (446, 450495), (470, 427491), (639, 314430), (669, 300330), (705, 284994), (710, 282987), (846, 237495), (1065, 188658), (1115, 180198), (1269, 158330), (1278, 157215), (1338, 150165), (1410, 142497), (1917, 104810), (2007, 100110), (2115, 94998), (2130, 94329), (2230, 90099), (2538, 79165), (3195, 62886), (3337, 60210), (3345, 60066), (3834, 52405), (4014, 50055), (4230, 47499), (6021, 33370), (6345, 31666), (6390, 31443), (6674, 30105), (6690, 30033), (9585, 20962), (10011, 20070), (10035, 20022), (10481, 19170), (12042, 16685), (12690, 15833)]