971885750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20789}}^1$

素因数の和:20834

約数の個数: 64

約数和(自身を含む): 2101619520

約数和(自身を除く): 1129733770

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 125, 170, 187, 250, 275, 374, 425, 550, 850, 935, 1375, 1870, 2125, 2750, 4250, 4675, 9350, 20789, 23375, 41578, 46750, 103945, 207890, 228679, 353413, 457358, 519725, 706826, 1039450, 1143395, 1767065, 2286790, 2598625, 3534130, 3887543, 5197250, 5716975, 7775086, 8835325, 11433950, 17670650, 19437715, 28584875, 38875430, 44176625, 57169750, 88353250, 97188575, 194377150, 485942875, 971885750]

約数ペア:

[(1, 971885750), (2, 485942875), (5, 194377150), (10, 97188575), (11, 88353250), (17, 57169750), (22, 44176625), (25, 38875430), (34, 28584875), (50, 19437715), (55, 17670650), (85, 11433950), (110, 8835325), (125, 7775086), (170, 5716975), (187, 5197250), (250, 3887543), (275, 3534130), (374, 2598625), (425, 2286790), (550, 1767065), (850, 1143395), (935, 1039450), (1375, 706826), (1870, 519725), (2125, 457358), (2750, 353413), (4250, 228679), (4675, 207890), (9350, 103945), (20789, 46750), (23375, 41578)]