161340340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:870

約数の個数: 96

約数和(自身を含む): 409248000

約数和(自身を除く): 247907660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 343, 406, 490, 580, 686, 811, 812, 980, 1015, 1372, 1421, 1622, 1715, 2030, 2842, 3244, 3430, 4055, 4060, 5677, 5684, 6860, 7105, 8110, 9947, 11354, 14210, 16220, 19894, 22708, 23519, 28385, 28420, 39739, 39788, 47038, 49735, 56770, 79478, 94076, 99470, 113540, 117595, 158956, 164633, 198695, 198940, 235190, 278173, 329266, 397390, 470380, 556346, 658532, 794780, 823165, 1112692, 1152431, 1390865, 1646330, 2304862, 2781730, 3292660, 4609724, 5563460, 5762155, 8067017, 11524310, 16134034, 23048620, 32268068, 40335085, 80670170, 161340340]

約数ペア:

[(1, 161340340), (2, 80670170), (4, 40335085), (5, 32268068), (7, 23048620), (10, 16134034), (14, 11524310), (20, 8067017), (28, 5762155), (29, 5563460), (35, 4609724), (49, 3292660), (58, 2781730), (70, 2304862), (98, 1646330), (116, 1390865), (140, 1152431), (145, 1112692), (196, 823165), (203, 794780), (245, 658532), (290, 556346), (343, 470380), (406, 397390), (490, 329266), (580, 278173), (686, 235190), (811, 198940), (812, 198695), (980, 164633), (1015, 158956), (1372, 117595), (1421, 113540), (1622, 99470), (1715, 94076), (2030, 79478), (2842, 56770), (3244, 49735), (3430, 47038), (4055, 39788), (4060, 39739), (5677, 28420), (5684, 28385), (6860, 23519), (7105, 22708), (8110, 19894), (9947, 16220), (11354, 14210)]