4997720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 13849920

約数和(自身を除く): 8852200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1373, 1820, 2746, 3640, 5492, 6865, 9611, 10984, 13730, 17849, 19222, 27460, 35698, 38444, 48055, 54920, 71396, 76888, 89245, 96110, 124943, 142792, 178490, 192220, 249886, 356980, 384440, 499772, 624715, 713960, 999544, 1249430, 2498860, 4997720]

約数ペア:

[(1, 4997720), (2, 2498860), (4, 1249430), (5, 999544), (7, 713960), (8, 624715), (10, 499772), (13, 384440), (14, 356980), (20, 249886), (26, 192220), (28, 178490), (35, 142792), (40, 124943), (52, 96110), (56, 89245), (65, 76888), (70, 71396), (91, 54920), (104, 48055), (130, 38444), (140, 35698), (182, 27460), (260, 19222), (280, 17849), (364, 13730), (455, 10984), (520, 9611), (728, 6865), (910, 5492), (1373, 3640), (1820, 2746)]