197790180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{967}}^1$

素因数の和:1473

約数の個数: 96

約数和(自身を含む): 634884096

約数和(自身を除く): 437093916

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, 487, 967, 974, 1461, 1934, 1948, 2435, 2901, 2922, 3409, 3868, 4835, 4870, 5802, 5844, 6769, 6818, 7305, 9670, 9740, 10227, 11604, 13538, 13636, 14505, 14610, 17045, 19340, 20307, 20454, 27076, 29010, 29220, 33845, 34090, 40614, 40908, 51135, 58020, 67690, 68180, 81228, 101535, 102270, 135380, 203070, 204540, 406140, 470929, 941858, 1412787, 1883716, 2354645, 2825574, 3296503, 4709290, 5651148, 6593006, 7063935, 9418580, 9889509, 13186012, 14127870, 16482515, 19779018, 28255740, 32965030, 39558036, 49447545, 65930060, 98895090, 197790180]

約数ペア:

[(1, 197790180), (2, 98895090), (3, 65930060), (4, 49447545), (5, 39558036), (6, 32965030), (7, 28255740), (10, 19779018), (12, 16482515), (14, 14127870), (15, 13186012), (20, 9889509), (21, 9418580), (28, 7063935), (30, 6593006), (35, 5651148), (42, 4709290), (60, 3296503), (70, 2825574), (84, 2354645), (105, 1883716), (140, 1412787), (210, 941858), (420, 470929), (487, 406140), (967, 204540), (974, 203070), (1461, 135380), (1934, 102270), (1948, 101535), (2435, 81228), (2901, 68180), (2922, 67690), (3409, 58020), (3868, 51135), (4835, 40908), (4870, 40614), (5802, 34090), (5844, 33845), (6769, 29220), (6818, 29010), (7305, 27076), (9670, 20454), (9740, 20307), (10227, 19340), (11604, 17045), (13538, 14610), (13636, 14505)]