78240652

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 167516160

約数和(自身を除く): 89275508

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 79, 98, 124, 158, 163, 196, 217, 316, 326, 434, 553, 652, 868, 1106, 1141, 1519, 2212, 2282, 2449, 3038, 3871, 4564, 4898, 5053, 6076, 7742, 7987, 9796, 10106, 12877, 15484, 15974, 17143, 20212, 25754, 31948, 34286, 35371, 51508, 68572, 70742, 90139, 120001, 141484, 180278, 240002, 247597, 360556, 399187, 480004, 495194, 630973, 798374, 990388, 1261946, 1596748, 2523892, 2794309, 5588618, 11177236, 19560163, 39120326, 78240652]

約数ペア:

[(1, 78240652), (2, 39120326), (4, 19560163), (7, 11177236), (14, 5588618), (28, 2794309), (31, 2523892), (49, 1596748), (62, 1261946), (79, 990388), (98, 798374), (124, 630973), (158, 495194), (163, 480004), (196, 399187), (217, 360556), (316, 247597), (326, 240002), (434, 180278), (553, 141484), (652, 120001), (868, 90139), (1106, 70742), (1141, 68572), (1519, 51508), (2212, 35371), (2282, 34286), (2449, 31948), (3038, 25754), (3871, 20212), (4564, 17143), (4898, 15974), (5053, 15484), (6076, 12877), (7742, 10106), (7987, 9796)]