28488220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 64058400

約数和(自身を除く): 35570180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 1229, 2318, 2458, 4636, 4916, 5795, 6145, 11590, 12290, 23180, 23351, 24580, 46702, 74969, 93404, 116755, 149938, 233510, 299876, 374845, 467020, 749690, 1424411, 1499380, 2848822, 5697644, 7122055, 14244110, 28488220]

約数ペア:

[(1, 28488220), (2, 14244110), (4, 7122055), (5, 5697644), (10, 2848822), (19, 1499380), (20, 1424411), (38, 749690), (61, 467020), (76, 374845), (95, 299876), (122, 233510), (190, 149938), (244, 116755), (305, 93404), (380, 74969), (610, 46702), (1159, 24580), (1220, 23351), (1229, 23180), (2318, 12290), (2458, 11590), (4636, 6145), (4916, 5795)]