2019955660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{673}}^1$

素因数の和:863

約数の個数: 96

約数和(自身を含む): 4522033152

約数和(自身を除く): 2502077492

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 103, 124, 155, 188, 206, 235, 310, 412, 470, 515, 620, 673, 940, 1030, 1346, 1457, 2060, 2692, 2914, 3193, 3365, 4841, 5828, 6386, 6730, 7285, 9682, 12772, 13460, 14570, 15965, 19364, 20863, 24205, 29140, 31631, 31930, 41726, 48410, 63262, 63860, 69319, 83452, 96820, 104315, 126524, 138638, 150071, 158155, 208630, 277276, 300142, 316310, 346595, 417260, 600284, 632620, 693190, 750355, 980561, 1386380, 1500710, 1961122, 2148889, 3001420, 3257993, 3922244, 4297778, 4902805, 6515986, 8595556, 9805610, 10744445, 13031972, 16289965, 19611220, 21488890, 32579930, 42977780, 65159860, 100997783, 201995566, 403991132, 504988915, 1009977830, 2019955660]

約数ペア:

[(1, 2019955660), (2, 1009977830), (4, 504988915), (5, 403991132), (10, 201995566), (20, 100997783), (31, 65159860), (47, 42977780), (62, 32579930), (94, 21488890), (103, 19611220), (124, 16289965), (155, 13031972), (188, 10744445), (206, 9805610), (235, 8595556), (310, 6515986), (412, 4902805), (470, 4297778), (515, 3922244), (620, 3257993), (673, 3001420), (940, 2148889), (1030, 1961122), (1346, 1500710), (1457, 1386380), (2060, 980561), (2692, 750355), (2914, 693190), (3193, 632620), (3365, 600284), (4841, 417260), (5828, 346595), (6386, 316310), (6730, 300142), (7285, 277276), (9682, 208630), (12772, 158155), (13460, 150071), (14570, 138638), (15965, 126524), (19364, 104315), (20863, 96820), (24205, 83452), (29140, 69319), (31631, 63860), (31930, 63262), (41726, 48410)]