207953270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1677

約数の個数: 64

約数和(自身を含む): 449114112

約数和(自身を除く): 241160842

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 61, 62, 70, 122, 155, 217, 305, 310, 427, 434, 610, 854, 1085, 1571, 1891, 2135, 2170, 3142, 3782, 4270, 7855, 9455, 10997, 13237, 15710, 18910, 21994, 26474, 48701, 54985, 66185, 95831, 97402, 109970, 132370, 191662, 243505, 340907, 479155, 487010, 670817, 681814, 958310, 1341634, 1704535, 2970761, 3354085, 3409070, 5941522, 6708170, 14853805, 20795327, 29707610, 41590654, 103976635, 207953270]

約数ペア:

[(1, 207953270), (2, 103976635), (5, 41590654), (7, 29707610), (10, 20795327), (14, 14853805), (31, 6708170), (35, 5941522), (61, 3409070), (62, 3354085), (70, 2970761), (122, 1704535), (155, 1341634), (217, 958310), (305, 681814), (310, 670817), (427, 487010), (434, 479155), (610, 340907), (854, 243505), (1085, 191662), (1571, 132370), (1891, 109970), (2135, 97402), (2170, 95831), (3142, 66185), (3782, 54985), (4270, 48701), (7855, 26474), (9455, 21994), (10997, 18910), (13237, 15710)]