1899027760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109391}}^1$

素因数の和:109442

約数の個数: 80

約数和(自身を含む): 5208809472

約数和(自身を除く): 3309781712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 109391, 218782, 437564, 546955, 765737, 875128, 1093910, 1531474, 1750256, 2187820, 3062948, 3391121, 3828685, 4375640, 6125896, 6782242, 7657370, 8751280, 12251792, 13564484, 15314740, 16955605, 23737847, 27128968, 30629480, 33911210, 47475694, 54257936, 61258960, 67822420, 94951388, 118689235, 135644840, 189902776, 237378470, 271289680, 379805552, 474756940, 949513880, 1899027760]

約数ペア:

[(1, 1899027760), (2, 949513880), (4, 474756940), (5, 379805552), (7, 271289680), (8, 237378470), (10, 189902776), (14, 135644840), (16, 118689235), (20, 94951388), (28, 67822420), (31, 61258960), (35, 54257936), (40, 47475694), (56, 33911210), (62, 30629480), (70, 27128968), (80, 23737847), (112, 16955605), (124, 15314740), (140, 13564484), (155, 12251792), (217, 8751280), (248, 7657370), (280, 6782242), (310, 6125896), (434, 4375640), (496, 3828685), (560, 3391121), (620, 3062948), (868, 2187820), (1085, 1750256), (1240, 1531474), (1736, 1093910), (2170, 875128), (2480, 765737), (3472, 546955), (4340, 437564), (8680, 218782), (17360, 109391)]