201243980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{1187}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 494868528

約数和(自身を除く): 293624548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 173, 196, 245, 346, 490, 692, 865, 980, 1187, 1211, 1730, 2374, 2422, 3460, 4748, 4844, 5935, 6055, 8309, 8477, 11870, 12110, 16618, 16954, 23740, 24220, 33236, 33908, 41545, 42385, 58163, 83090, 84770, 116326, 166180, 169540, 205351, 232652, 290815, 410702, 581630, 821404, 1026755, 1163260, 1437457, 2053510, 2874914, 4107020, 5749828, 7187285, 10062199, 14374570, 20124398, 28749140, 40248796, 50310995, 100621990, 201243980]

約数ペア:

[(1, 201243980), (2, 100621990), (4, 50310995), (5, 40248796), (7, 28749140), (10, 20124398), (14, 14374570), (20, 10062199), (28, 7187285), (35, 5749828), (49, 4107020), (70, 2874914), (98, 2053510), (140, 1437457), (173, 1163260), (196, 1026755), (245, 821404), (346, 581630), (490, 410702), (692, 290815), (865, 232652), (980, 205351), (1187, 169540), (1211, 166180), (1730, 116326), (2374, 84770), (2422, 83090), (3460, 58163), (4748, 42385), (4844, 41545), (5935, 33908), (6055, 33236), (8309, 24220), (8477, 23740), (11870, 16954), (12110, 16618)]