100887890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^2$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 195839424

約数和(自身を除く): 94951534

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 101, 115, 202, 215, 230, 430, 505, 989, 1010, 1978, 2323, 4343, 4646, 4945, 8686, 9890, 10201, 11615, 20402, 21715, 23230, 43430, 51005, 99889, 102010, 199778, 234623, 438643, 469246, 499445, 877286, 998890, 1173115, 2193215, 2346230, 4386430, 10088789, 20177578, 50443945, 100887890]

約数ペア:

[(1, 100887890), (2, 50443945), (5, 20177578), (10, 10088789), (23, 4386430), (43, 2346230), (46, 2193215), (86, 1173115), (101, 998890), (115, 877286), (202, 499445), (215, 469246), (230, 438643), (430, 234623), (505, 199778), (989, 102010), (1010, 99889), (1978, 51005), (2323, 43430), (4343, 23230), (4646, 21715), (4945, 20402), (8686, 11615), (9890, 10201)]