202372990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 391180320

約数和(自身を除く): 188807330

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 361, 610, 722, 919, 1159, 1805, 1838, 2318, 3610, 4595, 5795, 9190, 11590, 17461, 22021, 34922, 44042, 56059, 87305, 110105, 112118, 174610, 220210, 280295, 331759, 560590, 663518, 1065121, 1658795, 2130242, 3317590, 5325605, 10651210, 20237299, 40474598, 101186495, 202372990]

約数ペア:

[(1, 202372990), (2, 101186495), (5, 40474598), (10, 20237299), (19, 10651210), (38, 5325605), (61, 3317590), (95, 2130242), (122, 1658795), (190, 1065121), (305, 663518), (361, 560590), (610, 331759), (722, 280295), (919, 220210), (1159, 174610), (1805, 112118), (1838, 110105), (2318, 87305), (3610, 56059), (4595, 44042), (5795, 34922), (9190, 22021), (11590, 17461)]