401330920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{27793}}^1$

素因数の和:27842

約数の個数: 48

約数和(自身を含む): 953056260

約数和(自身を除く): 551725340

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 14440, 27793, 55586, 111172, 138965, 222344, 277930, 528067, 555860, 1056134, 1111720, 2112268, 2640335, 4224536, 5280670, 10033273, 10561340, 20066546, 21122680, 40133092, 50166365, 80266184, 100332730, 200665460, 401330920]

約数ペア:

[(1, 401330920), (2, 200665460), (4, 100332730), (5, 80266184), (8, 50166365), (10, 40133092), (19, 21122680), (20, 20066546), (38, 10561340), (40, 10033273), (76, 5280670), (95, 4224536), (152, 2640335), (190, 2112268), (361, 1111720), (380, 1056134), (722, 555860), (760, 528067), (1444, 277930), (1805, 222344), (2888, 138965), (3610, 111172), (7220, 55586), (14440, 27793)]