42107980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{457}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 94179456

約数和(自身を除く): 52071476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 271, 340, 457, 542, 914, 1084, 1355, 1828, 2285, 2710, 4570, 4607, 5420, 7769, 9140, 9214, 15538, 18428, 23035, 31076, 38845, 46070, 77690, 92140, 123847, 155380, 247694, 495388, 619235, 1238470, 2105399, 2476940, 4210798, 8421596, 10526995, 21053990, 42107980]

約数ペア:

[(1, 42107980), (2, 21053990), (4, 10526995), (5, 8421596), (10, 4210798), (17, 2476940), (20, 2105399), (34, 1238470), (68, 619235), (85, 495388), (170, 247694), (271, 155380), (340, 123847), (457, 92140), (542, 77690), (914, 46070), (1084, 38845), (1355, 31076), (1828, 23035), (2285, 18428), (2710, 15538), (4570, 9214), (4607, 9140), (5420, 7769)]