87878800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 230024960

約数和(自身を除く): 142146160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 190, 200, 248, 304, 310, 373, 380, 400, 475, 496, 589, 620, 746, 760, 775, 950, 1178, 1240, 1492, 1520, 1550, 1865, 1900, 2356, 2480, 2945, 2984, 3100, 3730, 3800, 4712, 5890, 5968, 6200, 7087, 7460, 7600, 9325, 9424, 11563, 11780, 12400, 14174, 14725, 14920, 18650, 23126, 23560, 28348, 29450, 29840, 35435, 37300, 46252, 47120, 56696, 57815, 58900, 70870, 74600, 92504, 113392, 115630, 117800, 141740, 149200, 177175, 185008, 219697, 231260, 235600, 283480, 289075, 354350, 439394, 462520, 566960, 578150, 708700, 878788, 925040, 1098485, 1156300, 1417400, 1757576, 2196970, 2312600, 2834800, 3515152, 4393940, 4625200, 5492425, 8787880, 10984850, 17575760, 21969700, 43939400, 87878800]

約数ペア:

[(1, 87878800), (2, 43939400), (4, 21969700), (5, 17575760), (8, 10984850), (10, 8787880), (16, 5492425), (19, 4625200), (20, 4393940), (25, 3515152), (31, 2834800), (38, 2312600), (40, 2196970), (50, 1757576), (62, 1417400), (76, 1156300), (80, 1098485), (95, 925040), (100, 878788), (124, 708700), (152, 578150), (155, 566960), (190, 462520), (200, 439394), (248, 354350), (304, 289075), (310, 283480), (373, 235600), (380, 231260), (400, 219697), (475, 185008), (496, 177175), (589, 149200), (620, 141740), (746, 117800), (760, 115630), (775, 113392), (950, 92504), (1178, 74600), (1240, 70870), (1492, 58900), (1520, 57815), (1550, 56696), (1865, 47120), (1900, 46252), (2356, 37300), (2480, 35435), (2945, 29840), (2984, 29450), (3100, 28348), (3730, 23560), (3800, 23126), (4712, 18650), (5890, 14920), (5968, 14725), (6200, 14174), (7087, 12400), (7460, 11780), (7600, 11563), (9325, 9424)]