139648180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1469

約数の個数: 96

約数和(自身を含む): 361267200

約数和(自身を除く): 221619020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 217, 230, 310, 322, 434, 460, 620, 644, 713, 805, 868, 1085, 1399, 1426, 1610, 2170, 2798, 2852, 3220, 3565, 4340, 4991, 5596, 6995, 7130, 9793, 9982, 13990, 14260, 19586, 19964, 24955, 27980, 32177, 39172, 43369, 48965, 49910, 64354, 86738, 97930, 99820, 128708, 160885, 173476, 195860, 216845, 225239, 303583, 321770, 433690, 450478, 607166, 643540, 867380, 900956, 997487, 1126195, 1214332, 1517915, 1994974, 2252390, 3035830, 3989948, 4504780, 4987435, 6071660, 6982409, 9974870, 13964818, 19949740, 27929636, 34912045, 69824090, 139648180]

約数ペア:

[(1, 139648180), (2, 69824090), (4, 34912045), (5, 27929636), (7, 19949740), (10, 13964818), (14, 9974870), (20, 6982409), (23, 6071660), (28, 4987435), (31, 4504780), (35, 3989948), (46, 3035830), (62, 2252390), (70, 1994974), (92, 1517915), (115, 1214332), (124, 1126195), (140, 997487), (155, 900956), (161, 867380), (217, 643540), (230, 607166), (310, 450478), (322, 433690), (434, 321770), (460, 303583), (620, 225239), (644, 216845), (713, 195860), (805, 173476), (868, 160885), (1085, 128708), (1399, 99820), (1426, 97930), (1610, 86738), (2170, 64354), (2798, 49910), (2852, 48965), (3220, 43369), (3565, 39172), (4340, 32177), (4991, 27980), (5596, 24955), (6995, 19964), (7130, 19586), (9793, 14260), (9982, 13990)]