291220717240

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1123}}^1\times {\mathrm{109883}}^1$

素因数の和:111076

約数の個数: 64

約数和(自身を含む): 666951926400

約数和(自身を除く): 375731209160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1123, 1180, 2246, 2360, 4492, 5615, 8984, 11230, 22460, 44920, 66257, 109883, 132514, 219766, 265028, 331285, 439532, 530056, 549415, 662570, 879064, 1098830, 1325140, 2197660, 2650280, 4395320, 6483097, 12966194, 25932388, 32415485, 51864776, 64830970, 123398609, 129661940, 246797218, 259323880, 493594436, 616993045, 987188872, 1233986090, 2467972180, 4935944360, 7280517931, 14561035862, 29122071724, 36402589655, 58244143448, 72805179310, 145610358620, 291220717240]

約数ペア:

[(1, 291220717240), (2, 145610358620), (4, 72805179310), (5, 58244143448), (8, 36402589655), (10, 29122071724), (20, 14561035862), (40, 7280517931), (59, 4935944360), (118, 2467972180), (236, 1233986090), (295, 987188872), (472, 616993045), (590, 493594436), (1123, 259323880), (1180, 246797218), (2246, 129661940), (2360, 123398609), (4492, 64830970), (5615, 51864776), (8984, 32415485), (11230, 25932388), (22460, 12966194), (44920, 6483097), (66257, 4395320), (109883, 2650280), (132514, 2197660), (219766, 1325140), (265028, 1098830), (331285, 879064), (439532, 662570), (530056, 549415)]