28720500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:530

約数の個数: 96

約数和(自身を含む): 85857408

約数和(自身を除く): 57136908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 75, 82, 100, 123, 125, 150, 164, 205, 246, 250, 300, 375, 410, 467, 492, 500, 615, 750, 820, 934, 1025, 1230, 1401, 1500, 1868, 2050, 2335, 2460, 2802, 3075, 4100, 4670, 5125, 5604, 6150, 7005, 9340, 10250, 11675, 12300, 14010, 15375, 19147, 20500, 23350, 28020, 30750, 35025, 38294, 46700, 57441, 58375, 61500, 70050, 76588, 95735, 114882, 116750, 140100, 175125, 191470, 229764, 233500, 287205, 350250, 382940, 478675, 574410, 700500, 957350, 1148820, 1436025, 1914700, 2393375, 2872050, 4786750, 5744100, 7180125, 9573500, 14360250, 28720500]

約数ペア:

[(1, 28720500), (2, 14360250), (3, 9573500), (4, 7180125), (5, 5744100), (6, 4786750), (10, 2872050), (12, 2393375), (15, 1914700), (20, 1436025), (25, 1148820), (30, 957350), (41, 700500), (50, 574410), (60, 478675), (75, 382940), (82, 350250), (100, 287205), (123, 233500), (125, 229764), (150, 191470), (164, 175125), (205, 140100), (246, 116750), (250, 114882), (300, 95735), (375, 76588), (410, 70050), (467, 61500), (492, 58375), (500, 57441), (615, 46700), (750, 38294), (820, 35025), (934, 30750), (1025, 28020), (1230, 23350), (1401, 20500), (1500, 19147), (1868, 15375), (2050, 14010), (2335, 12300), (2460, 11675), (2802, 10250), (3075, 9340), (4100, 7005), (4670, 6150), (5125, 5604)]