22102225

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 36

約数和(自身を含む): 30236160

約数和(自身を除く): 8133935

約数列:

[1, 5, 19, 25, 31, 79, 95, 155, 361, 395, 475, 589, 775, 1501, 1805, 1975, 2449, 2945, 7505, 9025, 11191, 12245, 14725, 28519, 37525, 46531, 55955, 61225, 142595, 232655, 279775, 712975, 884089, 1163275, 4420445, 22102225]

約数ペア:

[(1, 22102225), (5, 4420445), (19, 1163275), (25, 884089), (31, 712975), (79, 279775), (95, 232655), (155, 142595), (361, 61225), (395, 55955), (475, 46531), (589, 37525), (775, 28519), (1501, 14725), (1805, 12245), (1975, 11191), (2449, 9025), (2945, 7505)]