197492820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1091}}^1$

素因数の和:1541

約数の個数: 96

約数和(自身を含む): 634023936

約数和(自身を除く): 436531116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 431, 862, 1091, 1293, 1724, 2155, 2182, 2586, 3017, 3273, 4310, 4364, 5172, 5455, 6034, 6465, 6546, 7637, 8620, 9051, 10910, 12068, 12930, 13092, 15085, 15274, 16365, 18102, 21820, 22911, 25860, 30170, 30548, 32730, 36204, 38185, 45255, 45822, 60340, 65460, 76370, 90510, 91644, 114555, 152740, 181020, 229110, 458220, 470221, 940442, 1410663, 1880884, 2351105, 2821326, 3291547, 4702210, 5642652, 6583094, 7053315, 9404420, 9874641, 13166188, 14106630, 16457735, 19749282, 28213260, 32915470, 39498564, 49373205, 65830940, 98746410, 197492820]

約数ペア:

[(1, 197492820), (2, 98746410), (3, 65830940), (4, 49373205), (5, 39498564), (6, 32915470), (7, 28213260), (10, 19749282), (12, 16457735), (14, 14106630), (15, 13166188), (20, 9874641), (21, 9404420), (28, 7053315), (30, 6583094), (35, 5642652), (42, 4702210), (60, 3291547), (70, 2821326), (84, 2351105), (105, 1880884), (140, 1410663), (210, 940442), (420, 470221), (431, 458220), (862, 229110), (1091, 181020), (1293, 152740), (1724, 114555), (2155, 91644), (2182, 90510), (2586, 76370), (3017, 65460), (3273, 60340), (4310, 45822), (4364, 45255), (5172, 38185), (5455, 36204), (6034, 32730), (6465, 30548), (6546, 30170), (7637, 25860), (8620, 22911), (9051, 21820), (10910, 18102), (12068, 16365), (12930, 15274), (13092, 15085)]