980198440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{2477}}^1$

素因数の和:3262

約数の個数: 64

約数和(自身を含む): 2379177360

約数和(自身を除く): 1398978920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 761, 1522, 2477, 3044, 3805, 4954, 6088, 7610, 9893, 9908, 12385, 15220, 19786, 19816, 24770, 30440, 32201, 39572, 49465, 49540, 64402, 79144, 98930, 99080, 128804, 161005, 197860, 257608, 322010, 395720, 644020, 1288040, 1884997, 3769994, 7539988, 9424985, 15079976, 18849970, 24504961, 37699940, 49009922, 75399880, 98019844, 122524805, 196039688, 245049610, 490099220, 980198440]

約数ペア:

[(1, 980198440), (2, 490099220), (4, 245049610), (5, 196039688), (8, 122524805), (10, 98019844), (13, 75399880), (20, 49009922), (26, 37699940), (40, 24504961), (52, 18849970), (65, 15079976), (104, 9424985), (130, 7539988), (260, 3769994), (520, 1884997), (761, 1288040), (1522, 644020), (2477, 395720), (3044, 322010), (3805, 257608), (4954, 197860), (6088, 161005), (7610, 128804), (9893, 99080), (9908, 98930), (12385, 79144), (15220, 64402), (19786, 49540), (19816, 49465), (24770, 39572), (30440, 32201)]