7171776860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{319883}}^1$

素因数の和:319970

約数の個数: 48

約数和(自身を含む): 16122153600

約数和(自身を除く): 8950376740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 4484, 5605, 11210, 22420, 319883, 639766, 1279532, 1599415, 3198830, 6077777, 6397660, 12155554, 18873097, 24311108, 30388885, 37746194, 60777770, 75492388, 94365485, 121555540, 188730970, 358588843, 377461940, 717177686, 1434355372, 1792944215, 3585888430, 7171776860]

約数ペア:

[(1, 7171776860), (2, 3585888430), (4, 1792944215), (5, 1434355372), (10, 717177686), (19, 377461940), (20, 358588843), (38, 188730970), (59, 121555540), (76, 94365485), (95, 75492388), (118, 60777770), (190, 37746194), (236, 30388885), (295, 24311108), (380, 18873097), (590, 12155554), (1121, 6397660), (1180, 6077777), (2242, 3198830), (4484, 1599415), (5605, 1279532), (11210, 639766), (22420, 319883)]