1913207940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{216917}}^1$

素因数の和:216946

約数の個数: 108

約数和(自身を含む): 6750921996

約数和(自身を除く): 4837714056

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 216917, 433834, 650751, 867668, 1084585, 1301502, 1518419, 1952253, 2169170, 2603004, 3036838, 3253755, 3904506, 4338340, 4555257, 6073676, 6507510, 7592095, 7809012, 9110514, 9761265, 10628933, 13015020, 13665771, 15184190, 18221028, 19522530, 21257866, 22776285, 27331542, 30368380, 31886799, 39045060, 42515732, 45552570, 53144665, 54663084, 63773598, 68328855, 91105140, 95660397, 106289330, 127547196, 136657710, 159433995, 191320794, 212578660, 273315420, 318867990, 382641588, 478301985, 637735980, 956603970, 1913207940]

約数ペア:

[(1, 1913207940), (2, 956603970), (3, 637735980), (4, 478301985), (5, 382641588), (6, 318867990), (7, 273315420), (9, 212578660), (10, 191320794), (12, 159433995), (14, 136657710), (15, 127547196), (18, 106289330), (20, 95660397), (21, 91105140), (28, 68328855), (30, 63773598), (35, 54663084), (36, 53144665), (42, 45552570), (45, 42515732), (49, 39045060), (60, 31886799), (63, 30368380), (70, 27331542), (84, 22776285), (90, 21257866), (98, 19522530), (105, 18221028), (126, 15184190), (140, 13665771), (147, 13015020), (180, 10628933), (196, 9761265), (210, 9110514), (245, 7809012), (252, 7592095), (294, 6507510), (315, 6073676), (420, 4555257), (441, 4338340), (490, 3904506), (588, 3253755), (630, 3036838), (735, 2603004), (882, 2169170), (980, 1952253), (1260, 1518419), (1470, 1301502), (1764, 1084585), (2205, 867668), (2940, 650751), (4410, 433834), (8820, 216917)]