197931440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{619}}^1$

素因数の和:1210

約数の個数: 80

約数和(自身を含む): 527704320

約数和(自身を除く): 329772880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 571, 619, 1142, 1238, 2284, 2476, 2855, 3095, 3997, 4333, 4568, 4952, 5710, 6190, 7994, 8666, 9136, 9904, 11420, 12380, 15988, 17332, 19985, 21665, 22840, 24760, 31976, 34664, 39970, 43330, 45680, 49520, 63952, 69328, 79940, 86660, 159880, 173320, 319760, 346640, 353449, 706898, 1413796, 1767245, 2474143, 2827592, 3534490, 4948286, 5655184, 7068980, 9896572, 12370715, 14137960, 19793144, 24741430, 28275920, 39586288, 49482860, 98965720, 197931440]

約数ペア:

[(1, 197931440), (2, 98965720), (4, 49482860), (5, 39586288), (7, 28275920), (8, 24741430), (10, 19793144), (14, 14137960), (16, 12370715), (20, 9896572), (28, 7068980), (35, 5655184), (40, 4948286), (56, 3534490), (70, 2827592), (80, 2474143), (112, 1767245), (140, 1413796), (280, 706898), (560, 353449), (571, 346640), (619, 319760), (1142, 173320), (1238, 159880), (2284, 86660), (2476, 79940), (2855, 69328), (3095, 63952), (3997, 49520), (4333, 45680), (4568, 43330), (4952, 39970), (5710, 34664), (6190, 31976), (7994, 24760), (8666, 22840), (9136, 21665), (9904, 19985), (11420, 17332), (12380, 15988)]