207660440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 539784000

約数和(自身を除く): 332123560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 139, 169, 170, 221, 260, 278, 338, 340, 442, 520, 556, 676, 680, 695, 845, 884, 1105, 1112, 1352, 1390, 1690, 1768, 1807, 2197, 2210, 2363, 2780, 2873, 3380, 3614, 4394, 4420, 4726, 5560, 5746, 6760, 7228, 8788, 8840, 9035, 9452, 10985, 11492, 11815, 14365, 14456, 17576, 18070, 18904, 21970, 22984, 23491, 23630, 28730, 30719, 36140, 37349, 43940, 46982, 47260, 57460, 61438, 72280, 74698, 87880, 93964, 94520, 114920, 117455, 122876, 149396, 153595, 186745, 187928, 234910, 245752, 298792, 305383, 307190, 373490, 399347, 469820, 610766, 614380, 746980, 798694, 939640, 1221532, 1228760, 1493960, 1526915, 1597388, 1996735, 2443064, 3053830, 3194776, 3993470, 5191511, 6107660, 7986940, 10383022, 12215320, 15973880, 20766044, 25957555, 41532088, 51915110, 103830220, 207660440]

約数ペア:

[(1, 207660440), (2, 103830220), (4, 51915110), (5, 41532088), (8, 25957555), (10, 20766044), (13, 15973880), (17, 12215320), (20, 10383022), (26, 7986940), (34, 6107660), (40, 5191511), (52, 3993470), (65, 3194776), (68, 3053830), (85, 2443064), (104, 1996735), (130, 1597388), (136, 1526915), (139, 1493960), (169, 1228760), (170, 1221532), (221, 939640), (260, 798694), (278, 746980), (338, 614380), (340, 610766), (442, 469820), (520, 399347), (556, 373490), (676, 307190), (680, 305383), (695, 298792), (845, 245752), (884, 234910), (1105, 187928), (1112, 186745), (1352, 153595), (1390, 149396), (1690, 122876), (1768, 117455), (1807, 114920), (2197, 94520), (2210, 93964), (2363, 87880), (2780, 74698), (2873, 72280), (3380, 61438), (3614, 57460), (4394, 47260), (4420, 46982), (4726, 43940), (5560, 37349), (5746, 36140), (6760, 30719), (7228, 28730), (8788, 23630), (8840, 23491), (9035, 22984), (9452, 21970), (10985, 18904), (11492, 18070), (11815, 17576), (14365, 14456)]