31498950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:382

約数の個数: 96

約数和(自身を含む): 90351360

約数和(自身を除く): 58852410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 131, 150, 175, 210, 229, 262, 350, 393, 458, 525, 655, 687, 786, 917, 1050, 1145, 1310, 1374, 1603, 1834, 1965, 2290, 2751, 3206, 3275, 3435, 3930, 4585, 4809, 5502, 5725, 6550, 6870, 8015, 9170, 9618, 9825, 11450, 13755, 16030, 17175, 19650, 22925, 24045, 27510, 29999, 34350, 40075, 45850, 48090, 59998, 68775, 80150, 89997, 120225, 137550, 149995, 179994, 209993, 240450, 299990, 419986, 449985, 629979, 749975, 899970, 1049965, 1259958, 1499950, 2099930, 2249925, 3149895, 4499850, 5249825, 6299790, 10499650, 15749475, 31498950]

約数ペア:

[(1, 31498950), (2, 15749475), (3, 10499650), (5, 6299790), (6, 5249825), (7, 4499850), (10, 3149895), (14, 2249925), (15, 2099930), (21, 1499950), (25, 1259958), (30, 1049965), (35, 899970), (42, 749975), (50, 629979), (70, 449985), (75, 419986), (105, 299990), (131, 240450), (150, 209993), (175, 179994), (210, 149995), (229, 137550), (262, 120225), (350, 89997), (393, 80150), (458, 68775), (525, 59998), (655, 48090), (687, 45850), (786, 40075), (917, 34350), (1050, 29999), (1145, 27510), (1310, 24045), (1374, 22925), (1603, 19650), (1834, 17175), (1965, 16030), (2290, 13755), (2751, 11450), (3206, 9825), (3275, 9618), (3435, 9170), (3930, 8015), (4585, 6870), (4809, 6550), (5502, 5725)]