28551990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 71124480

約数和(自身を除く): 42572490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 139, 167, 205, 246, 278, 334, 410, 417, 501, 615, 695, 834, 835, 1002, 1230, 1390, 1670, 2085, 2505, 4170, 5010, 5699, 6847, 11398, 13694, 17097, 20541, 23213, 28495, 34194, 34235, 41082, 46426, 56990, 68470, 69639, 85485, 102705, 116065, 139278, 170970, 205410, 232130, 348195, 696390, 951733, 1903466, 2855199, 4758665, 5710398, 9517330, 14275995, 28551990]

約数ペア:

[(1, 28551990), (2, 14275995), (3, 9517330), (5, 5710398), (6, 4758665), (10, 2855199), (15, 1903466), (30, 951733), (41, 696390), (82, 348195), (123, 232130), (139, 205410), (167, 170970), (205, 139278), (246, 116065), (278, 102705), (334, 85485), (410, 69639), (417, 68470), (501, 56990), (615, 46426), (695, 41082), (834, 34235), (835, 34194), (1002, 28495), (1230, 23213), (1390, 20541), (1670, 17097), (2085, 13694), (2505, 11398), (4170, 6847), (5010, 5699)]