159795860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^2\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 108

約数和(自身を含む): 404236476

約数和(自身を除く): 244440616

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 97, 98, 140, 164, 194, 196, 205, 245, 287, 388, 410, 485, 490, 574, 679, 820, 970, 980, 1148, 1358, 1435, 1681, 1940, 2009, 2716, 2870, 3362, 3395, 3977, 4018, 4753, 5740, 6724, 6790, 7954, 8036, 8405, 9506, 10045, 11767, 13580, 15908, 16810, 19012, 19885, 20090, 23534, 23765, 27839, 33620, 39770, 40180, 47068, 47530, 55678, 58835, 79540, 82369, 95060, 111356, 117670, 139195, 163057, 164738, 194873, 235340, 278390, 326114, 329476, 389746, 411845, 556780, 652228, 779492, 815285, 823690, 974365, 1141399, 1630570, 1647380, 1948730, 2282798, 3261140, 3897460, 4565596, 5706995, 7989793, 11413990, 15979586, 22827980, 31959172, 39948965, 79897930, 159795860]

約数ペア:

[(1, 159795860), (2, 79897930), (4, 39948965), (5, 31959172), (7, 22827980), (10, 15979586), (14, 11413990), (20, 7989793), (28, 5706995), (35, 4565596), (41, 3897460), (49, 3261140), (70, 2282798), (82, 1948730), (97, 1647380), (98, 1630570), (140, 1141399), (164, 974365), (194, 823690), (196, 815285), (205, 779492), (245, 652228), (287, 556780), (388, 411845), (410, 389746), (485, 329476), (490, 326114), (574, 278390), (679, 235340), (820, 194873), (970, 164738), (980, 163057), (1148, 139195), (1358, 117670), (1435, 111356), (1681, 95060), (1940, 82369), (2009, 79540), (2716, 58835), (2870, 55678), (3362, 47530), (3395, 47068), (3977, 40180), (4018, 39770), (4753, 33620), (5740, 27839), (6724, 23765), (6790, 23534), (7954, 20090), (8036, 19885), (8405, 19012), (9506, 16810), (10045, 15908), (11767, 13580)]