2017929580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1307}}^1$

素因数の和:1591

約数の個数: 96

約数和(自身を含む): 4746470400

約数和(自身を除く): 2728540820

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 239, 323, 340, 380, 478, 646, 956, 1195, 1292, 1307, 1615, 2390, 2614, 3230, 4063, 4541, 4780, 5228, 6460, 6535, 8126, 9082, 13070, 16252, 18164, 20315, 22219, 22705, 24833, 26140, 40630, 44438, 45410, 49666, 77197, 81260, 88876, 90820, 99332, 111095, 124165, 154394, 222190, 248330, 308788, 312373, 385985, 422161, 444380, 496660, 624746, 771970, 844322, 1249492, 1543940, 1561865, 1688644, 2110805, 3123730, 4221610, 5310341, 5935087, 6247460, 8443220, 10620682, 11870174, 21241364, 23740348, 26551705, 29675435, 53103410, 59350870, 100896479, 106206820, 118701740, 201792958, 403585916, 504482395, 1008964790, 2017929580]

約数ペア:

[(1, 2017929580), (2, 1008964790), (4, 504482395), (5, 403585916), (10, 201792958), (17, 118701740), (19, 106206820), (20, 100896479), (34, 59350870), (38, 53103410), (68, 29675435), (76, 26551705), (85, 23740348), (95, 21241364), (170, 11870174), (190, 10620682), (239, 8443220), (323, 6247460), (340, 5935087), (380, 5310341), (478, 4221610), (646, 3123730), (956, 2110805), (1195, 1688644), (1292, 1561865), (1307, 1543940), (1615, 1249492), (2390, 844322), (2614, 771970), (3230, 624746), (4063, 496660), (4541, 444380), (4780, 422161), (5228, 385985), (6460, 312373), (6535, 308788), (8126, 248330), (9082, 222190), (13070, 154394), (16252, 124165), (18164, 111095), (20315, 99332), (22219, 90820), (22705, 88876), (24833, 81260), (26140, 77197), (40630, 49666), (44438, 45410)]