201464890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 408748032

約数和(自身を除く): 207283142

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 191, 215, 223, 382, 430, 446, 473, 946, 955, 1115, 1910, 2101, 2230, 2365, 2453, 4202, 4730, 4906, 8213, 9589, 10505, 12265, 16426, 19178, 21010, 24530, 41065, 42593, 47945, 82130, 85186, 90343, 95890, 105479, 180686, 210958, 212965, 425930, 451715, 468523, 527395, 903430, 937046, 1054790, 1831499, 2342615, 3662998, 4685230, 9157495, 18314990, 20146489, 40292978, 100732445, 201464890]

約数ペア:

[(1, 201464890), (2, 100732445), (5, 40292978), (10, 20146489), (11, 18314990), (22, 9157495), (43, 4685230), (55, 3662998), (86, 2342615), (110, 1831499), (191, 1054790), (215, 937046), (223, 903430), (382, 527395), (430, 468523), (446, 451715), (473, 425930), (946, 212965), (955, 210958), (1115, 180686), (1910, 105479), (2101, 95890), (2230, 90343), (2365, 85186), (2453, 82130), (4202, 47945), (4730, 42593), (4906, 41065), (8213, 24530), (9589, 21010), (10505, 19178), (12265, 16426)]