90560890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{56249}}^1$

素因数の和:56286

約数の個数: 32

約数和(自身を含む): 194400000

約数和(自身を除く): 103839110

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 56249, 112498, 281245, 393743, 562490, 787486, 1293727, 1968715, 2587454, 3937430, 6468635, 9056089, 12937270, 18112178, 45280445, 90560890]

約数ペア:

[(1, 90560890), (2, 45280445), (5, 18112178), (7, 12937270), (10, 9056089), (14, 6468635), (23, 3937430), (35, 2587454), (46, 1968715), (70, 1293727), (115, 787486), (161, 562490), (230, 393743), (322, 281245), (805, 112498), (1610, 56249)]