217785850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 449971200

約数和(自身を除く): 232185350

約数列:

[1, 2, 5, 10, 23, 25, 31, 41, 46, 50, 62, 82, 115, 149, 155, 205, 230, 298, 310, 410, 575, 713, 745, 775, 943, 1025, 1150, 1271, 1426, 1490, 1550, 1886, 2050, 2542, 3427, 3565, 3725, 4619, 4715, 6109, 6355, 6854, 7130, 7450, 9238, 9430, 12218, 12710, 17135, 17825, 23095, 23575, 29233, 30545, 31775, 34270, 35650, 46190, 47150, 58466, 61090, 63550, 85675, 106237, 115475, 140507, 146165, 152725, 171350, 189379, 212474, 230950, 281014, 292330, 305450, 378758, 531185, 702535, 730825, 946895, 1062370, 1405070, 1461650, 1893790, 2655925, 3512675, 4355717, 4734475, 5311850, 7025350, 8711434, 9468950, 21778585, 43557170, 108892925, 217785850]

約数ペア:

[(1, 217785850), (2, 108892925), (5, 43557170), (10, 21778585), (23, 9468950), (25, 8711434), (31, 7025350), (41, 5311850), (46, 4734475), (50, 4355717), (62, 3512675), (82, 2655925), (115, 1893790), (149, 1461650), (155, 1405070), (205, 1062370), (230, 946895), (298, 730825), (310, 702535), (410, 531185), (575, 378758), (713, 305450), (745, 292330), (775, 281014), (943, 230950), (1025, 212474), (1150, 189379), (1271, 171350), (1426, 152725), (1490, 146165), (1550, 140507), (1886, 115475), (2050, 106237), (2542, 85675), (3427, 63550), (3565, 61090), (3725, 58466), (4619, 47150), (4715, 46190), (6109, 35650), (6355, 34270), (6854, 31775), (7130, 30545), (7450, 29233), (9238, 23575), (9430, 23095), (12218, 17825), (12710, 17135)]