7968380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 19994688

約数和(自身を除く): 12026308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 173, 188, 196, 235, 245, 329, 346, 470, 490, 658, 692, 865, 940, 980, 1211, 1316, 1645, 1730, 2303, 2422, 3290, 3460, 4606, 4844, 6055, 6580, 8131, 8477, 9212, 11515, 12110, 16262, 16954, 23030, 24220, 32524, 33908, 40655, 42385, 46060, 56917, 81310, 84770, 113834, 162620, 169540, 227668, 284585, 398419, 569170, 796838, 1138340, 1593676, 1992095, 3984190, 7968380]

約数ペア:

[(1, 7968380), (2, 3984190), (4, 1992095), (5, 1593676), (7, 1138340), (10, 796838), (14, 569170), (20, 398419), (28, 284585), (35, 227668), (47, 169540), (49, 162620), (70, 113834), (94, 84770), (98, 81310), (140, 56917), (173, 46060), (188, 42385), (196, 40655), (235, 33908), (245, 32524), (329, 24220), (346, 23030), (470, 16954), (490, 16262), (658, 12110), (692, 11515), (865, 9212), (940, 8477), (980, 8131), (1211, 6580), (1316, 6055), (1645, 4844), (1730, 4606), (2303, 3460), (2422, 3290)]