140220456

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^2$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 380407200

約数和(自身を除く): 240186744

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 61, 71, 76, 114, 122, 142, 152, 183, 213, 228, 244, 284, 366, 426, 456, 488, 568, 732, 852, 1159, 1349, 1464, 1704, 2318, 2698, 3477, 4047, 4331, 4636, 5041, 5396, 6954, 8094, 8662, 9272, 10082, 10792, 12993, 13908, 15123, 16188, 17324, 20164, 25986, 27816, 30246, 32376, 34648, 40328, 51972, 60492, 82289, 95779, 103944, 120984, 164578, 191558, 246867, 287337, 307501, 329156, 383116, 493734, 574674, 615002, 658312, 766232, 922503, 987468, 1149348, 1230004, 1845006, 1974936, 2298696, 2460008, 3690012, 5842519, 7380024, 11685038, 17527557, 23370076, 35055114, 46740152, 70110228, 140220456]

約数ペア:

[(1, 140220456), (2, 70110228), (3, 46740152), (4, 35055114), (6, 23370076), (8, 17527557), (12, 11685038), (19, 7380024), (24, 5842519), (38, 3690012), (57, 2460008), (61, 2298696), (71, 1974936), (76, 1845006), (114, 1230004), (122, 1149348), (142, 987468), (152, 922503), (183, 766232), (213, 658312), (228, 615002), (244, 574674), (284, 493734), (366, 383116), (426, 329156), (456, 307501), (488, 287337), (568, 246867), (732, 191558), (852, 164578), (1159, 120984), (1349, 103944), (1464, 95779), (1704, 82289), (2318, 60492), (2698, 51972), (3477, 40328), (4047, 34648), (4331, 32376), (4636, 30246), (5041, 27816), (5396, 25986), (6954, 20164), (8094, 17324), (8662, 16188), (9272, 15123), (10082, 13908), (10792, 12993)]