7991646620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{2221}}^1$

素因数の和:2823

約数の個数: 96

約数和(自身を含む): 18746925120

約数和(自身を除く): 10755278500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 557, 646, 1114, 1292, 1615, 2221, 2228, 2785, 3230, 4442, 5570, 6460, 8884, 9469, 10583, 11105, 11140, 18938, 21166, 22210, 37757, 37876, 42199, 42332, 44420, 47345, 52915, 75514, 84398, 94690, 105830, 151028, 168796, 179911, 188785, 189380, 210995, 211660, 359822, 377570, 421990, 717383, 719644, 755140, 843980, 899555, 1237097, 1434766, 1799110, 2474194, 2869532, 3586915, 3598220, 4948388, 6185485, 7173830, 12370970, 14347660, 21030649, 23504843, 24741940, 42061298, 47009686, 84122596, 94019372, 105153245, 117524215, 210306490, 235048430, 399582331, 420612980, 470096860, 799164662, 1598329324, 1997911655, 3995823310, 7991646620]

約数ペア:

[(1, 7991646620), (2, 3995823310), (4, 1997911655), (5, 1598329324), (10, 799164662), (17, 470096860), (19, 420612980), (20, 399582331), (34, 235048430), (38, 210306490), (68, 117524215), (76, 105153245), (85, 94019372), (95, 84122596), (170, 47009686), (190, 42061298), (323, 24741940), (340, 23504843), (380, 21030649), (557, 14347660), (646, 12370970), (1114, 7173830), (1292, 6185485), (1615, 4948388), (2221, 3598220), (2228, 3586915), (2785, 2869532), (3230, 2474194), (4442, 1799110), (5570, 1434766), (6460, 1237097), (8884, 899555), (9469, 843980), (10583, 755140), (11105, 719644), (11140, 717383), (18938, 421990), (21166, 377570), (22210, 359822), (37757, 211660), (37876, 210995), (42199, 189380), (42332, 188785), (44420, 179911), (47345, 168796), (52915, 151028), (75514, 105830), (84398, 94690)]