201452420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 479770368

約数和(自身を除く): 278317948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 43, 52, 65, 74, 86, 130, 148, 172, 185, 215, 260, 370, 430, 481, 487, 559, 740, 860, 962, 974, 1118, 1591, 1924, 1948, 2236, 2405, 2435, 2795, 3182, 4810, 4870, 5590, 6331, 6364, 7955, 9620, 9740, 11180, 12662, 15910, 18019, 20683, 20941, 25324, 31655, 31820, 36038, 41366, 41882, 63310, 72076, 82732, 83764, 90095, 103415, 104705, 126620, 180190, 206830, 209410, 234247, 272233, 360380, 413660, 418820, 468494, 544466, 774817, 936988, 1088932, 1171235, 1361165, 1549634, 2342470, 2722330, 3099268, 3874085, 4684940, 5444660, 7748170, 10072621, 15496340, 20145242, 40290484, 50363105, 100726210, 201452420]

約数ペア:

[(1, 201452420), (2, 100726210), (4, 50363105), (5, 40290484), (10, 20145242), (13, 15496340), (20, 10072621), (26, 7748170), (37, 5444660), (43, 4684940), (52, 3874085), (65, 3099268), (74, 2722330), (86, 2342470), (130, 1549634), (148, 1361165), (172, 1171235), (185, 1088932), (215, 936988), (260, 774817), (370, 544466), (430, 468494), (481, 418820), (487, 413660), (559, 360380), (740, 272233), (860, 234247), (962, 209410), (974, 206830), (1118, 180190), (1591, 126620), (1924, 104705), (1948, 103415), (2236, 90095), (2405, 83764), (2435, 82732), (2795, 72076), (3182, 63310), (4810, 41882), (4870, 41366), (5590, 36038), (6331, 31820), (6364, 31655), (7955, 25324), (9620, 20941), (9740, 20683), (11180, 18019), (12662, 15910)]