201916820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1973}}^1$

素因数の和:2049

約数の個数: 96

約数和(自身を含む): 525305088

約数和(自身を除く): 323388268

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 43, 68, 70, 85, 86, 119, 140, 170, 172, 215, 238, 301, 340, 430, 476, 595, 602, 731, 860, 1190, 1204, 1462, 1505, 1973, 2380, 2924, 3010, 3655, 3946, 5117, 6020, 7310, 7892, 9865, 10234, 13811, 14620, 19730, 20468, 25585, 27622, 33541, 39460, 51170, 55244, 67082, 69055, 84839, 102340, 134164, 138110, 167705, 169678, 234787, 276220, 335410, 339356, 424195, 469574, 593873, 670820, 848390, 939148, 1173935, 1187746, 1442263, 1696780, 2347870, 2375492, 2884526, 2969365, 4695740, 5769052, 5938730, 7211315, 10095841, 11877460, 14422630, 20191682, 28845260, 40383364, 50479205, 100958410, 201916820]

約数ペア:

[(1, 201916820), (2, 100958410), (4, 50479205), (5, 40383364), (7, 28845260), (10, 20191682), (14, 14422630), (17, 11877460), (20, 10095841), (28, 7211315), (34, 5938730), (35, 5769052), (43, 4695740), (68, 2969365), (70, 2884526), (85, 2375492), (86, 2347870), (119, 1696780), (140, 1442263), (170, 1187746), (172, 1173935), (215, 939148), (238, 848390), (301, 670820), (340, 593873), (430, 469574), (476, 424195), (595, 339356), (602, 335410), (731, 276220), (860, 234787), (1190, 169678), (1204, 167705), (1462, 138110), (1505, 134164), (1973, 102340), (2380, 84839), (2924, 69055), (3010, 67082), (3655, 55244), (3946, 51170), (5117, 39460), (6020, 33541), (7310, 27622), (7892, 25585), (9865, 20468), (10234, 19730), (13811, 14620)]