12989350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:166

約数の個数: 72

約数和(自身を含む): 28201320

約数和(自身を除く): 15211970

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 113, 121, 190, 209, 226, 242, 275, 418, 475, 550, 565, 605, 950, 1045, 1130, 1210, 1243, 2090, 2147, 2299, 2486, 2825, 3025, 4294, 4598, 5225, 5650, 6050, 6215, 10450, 10735, 11495, 12430, 13673, 21470, 22990, 23617, 27346, 31075, 47234, 53675, 57475, 62150, 68365, 107350, 114950, 118085, 136730, 236170, 259787, 341825, 519574, 590425, 683650, 1180850, 1298935, 2597870, 6494675, 12989350]

約数ペア:

[(1, 12989350), (2, 6494675), (5, 2597870), (10, 1298935), (11, 1180850), (19, 683650), (22, 590425), (25, 519574), (38, 341825), (50, 259787), (55, 236170), (95, 136730), (110, 118085), (113, 114950), (121, 107350), (190, 68365), (209, 62150), (226, 57475), (242, 53675), (275, 47234), (418, 31075), (475, 27346), (550, 23617), (565, 22990), (605, 21470), (950, 13673), (1045, 12430), (1130, 11495), (1210, 10735), (1243, 10450), (2090, 6215), (2147, 6050), (2299, 5650), (2486, 5225), (2825, 4598), (3025, 4294)]