639266004

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 1814991360

約数和(自身を除く): 1175725356

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 139, 156, 186, 234, 278, 279, 317, 372, 403, 417, 468, 556, 558, 634, 806, 834, 951, 1116, 1209, 1251, 1268, 1612, 1668, 1807, 1902, 2418, 2502, 2853, 3614, 3627, 3804, 4121, 4309, 4836, 5004, 5421, 5706, 7228, 7254, 8242, 8618, 9827, 10842, 11412, 12363, 12927, 14508, 16263, 16484, 17236, 19654, 21684, 24726, 25854, 29481, 32526, 37089, 38781, 39308, 44063, 49452, 51708, 56017, 58962, 65052, 74178, 77562, 88126, 88443, 112034, 117924, 127751, 132189, 148356, 155124, 168051, 176252, 176886, 224068, 255502, 264378, 336102, 353772, 383253, 396567, 504153, 511004, 528756, 572819, 672204, 766506, 793134, 1008306, 1145638, 1149759, 1365953, 1533012, 1586268, 1718457, 2016612, 2291276, 2299518, 2731906, 3436914, 4097859, 4599036, 5155371, 5463812, 6873828, 8195718, 10310742, 12293577, 16391436, 17757389, 20621484, 24587154, 35514778, 49174308, 53272167, 71029556, 106544334, 159816501, 213088668, 319633002, 639266004]

約数ペア:

[(1, 639266004), (2, 319633002), (3, 213088668), (4, 159816501), (6, 106544334), (9, 71029556), (12, 53272167), (13, 49174308), (18, 35514778), (26, 24587154), (31, 20621484), (36, 17757389), (39, 16391436), (52, 12293577), (62, 10310742), (78, 8195718), (93, 6873828), (117, 5463812), (124, 5155371), (139, 4599036), (156, 4097859), (186, 3436914), (234, 2731906), (278, 2299518), (279, 2291276), (317, 2016612), (372, 1718457), (403, 1586268), (417, 1533012), (468, 1365953), (556, 1149759), (558, 1145638), (634, 1008306), (806, 793134), (834, 766506), (951, 672204), (1116, 572819), (1209, 528756), (1251, 511004), (1268, 504153), (1612, 396567), (1668, 383253), (1807, 353772), (1902, 336102), (2418, 264378), (2502, 255502), (2853, 224068), (3614, 176886), (3627, 176252), (3804, 168051), (4121, 155124), (4309, 148356), (4836, 132189), (5004, 127751), (5421, 117924), (5706, 112034), (7228, 88443), (7254, 88126), (8242, 77562), (8618, 74178), (9827, 65052), (10842, 58962), (11412, 56017), (12363, 51708), (12927, 49452), (14508, 44063), (16263, 39308), (16484, 38781), (17236, 37089), (19654, 32526), (21684, 29481), (24726, 25854)]