128402000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 160

約数和(自身を含む): 340454400

約数和(自身を除く): 212052400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 109, 124, 125, 152, 155, 190, 200, 218, 248, 250, 304, 310, 380, 400, 436, 475, 496, 500, 545, 589, 620, 760, 775, 872, 950, 1000, 1090, 1178, 1240, 1520, 1550, 1744, 1900, 2000, 2071, 2180, 2356, 2375, 2480, 2725, 2945, 3100, 3379, 3800, 3875, 4142, 4360, 4712, 4750, 5450, 5890, 6200, 6758, 7600, 7750, 8284, 8720, 9424, 9500, 10355, 10900, 11780, 12400, 13516, 13625, 14725, 15500, 16568, 16895, 19000, 20710, 21800, 23560, 27032, 27250, 29450, 31000, 33136, 33790, 38000, 41420, 43600, 47120, 51775, 54064, 54500, 58900, 62000, 64201, 67580, 73625, 82840, 84475, 103550, 109000, 117800, 128402, 135160, 147250, 165680, 168950, 207100, 218000, 235600, 256804, 258875, 270320, 294500, 321005, 337900, 414200, 422375, 513608, 517750, 589000, 642010, 675800, 828400, 844750, 1027216, 1035500, 1178000, 1284020, 1351600, 1605025, 1689500, 2071000, 2568040, 3210050, 3379000, 4142000, 5136080, 6420100, 6758000, 8025125, 12840200, 16050250, 25680400, 32100500, 64201000, 128402000]

約数ペア:

[(1, 128402000), (2, 64201000), (4, 32100500), (5, 25680400), (8, 16050250), (10, 12840200), (16, 8025125), (19, 6758000), (20, 6420100), (25, 5136080), (31, 4142000), (38, 3379000), (40, 3210050), (50, 2568040), (62, 2071000), (76, 1689500), (80, 1605025), (95, 1351600), (100, 1284020), (109, 1178000), (124, 1035500), (125, 1027216), (152, 844750), (155, 828400), (190, 675800), (200, 642010), (218, 589000), (248, 517750), (250, 513608), (304, 422375), (310, 414200), (380, 337900), (400, 321005), (436, 294500), (475, 270320), (496, 258875), (500, 256804), (545, 235600), (589, 218000), (620, 207100), (760, 168950), (775, 165680), (872, 147250), (950, 135160), (1000, 128402), (1090, 117800), (1178, 109000), (1240, 103550), (1520, 84475), (1550, 82840), (1744, 73625), (1900, 67580), (2000, 64201), (2071, 62000), (2180, 58900), (2356, 54500), (2375, 54064), (2480, 51775), (2725, 47120), (2945, 43600), (3100, 41420), (3379, 38000), (3800, 33790), (3875, 33136), (4142, 31000), (4360, 29450), (4712, 27250), (4750, 27032), (5450, 23560), (5890, 21800), (6200, 20710), (6758, 19000), (7600, 16895), (7750, 16568), (8284, 15500), (8720, 14725), (9424, 13625), (9500, 13516), (10355, 12400), (10900, 11780)]