201985500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{89}}^2$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 629856864

約数和(自身を除く): 427871364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 89, 100, 102, 125, 150, 170, 178, 204, 250, 255, 267, 300, 340, 356, 375, 425, 445, 500, 510, 534, 750, 850, 890, 1020, 1068, 1275, 1335, 1500, 1513, 1700, 1780, 2125, 2225, 2550, 2670, 3026, 4250, 4450, 4539, 5100, 5340, 6052, 6375, 6675, 7565, 7921, 8500, 8900, 9078, 11125, 12750, 13350, 15130, 15842, 18156, 22250, 22695, 23763, 25500, 26700, 30260, 31684, 33375, 37825, 39605, 44500, 45390, 47526, 66750, 75650, 79210, 90780, 95052, 113475, 118815, 133500, 134657, 151300, 158420, 189125, 198025, 226950, 237630, 269314, 378250, 396050, 403971, 453900, 475260, 538628, 567375, 594075, 673285, 756500, 792100, 807942, 990125, 1134750, 1188150, 1346570, 1615884, 1980250, 2019855, 2269500, 2376300, 2693140, 2970375, 3366425, 3960500, 4039710, 5940750, 6732850, 8079420, 10099275, 11881500, 13465700, 16832125, 20198550, 33664250, 40397100, 50496375, 67328500, 100992750, 201985500]

約数ペア:

[(1, 201985500), (2, 100992750), (3, 67328500), (4, 50496375), (5, 40397100), (6, 33664250), (10, 20198550), (12, 16832125), (15, 13465700), (17, 11881500), (20, 10099275), (25, 8079420), (30, 6732850), (34, 5940750), (50, 4039710), (51, 3960500), (60, 3366425), (68, 2970375), (75, 2693140), (85, 2376300), (89, 2269500), (100, 2019855), (102, 1980250), (125, 1615884), (150, 1346570), (170, 1188150), (178, 1134750), (204, 990125), (250, 807942), (255, 792100), (267, 756500), (300, 673285), (340, 594075), (356, 567375), (375, 538628), (425, 475260), (445, 453900), (500, 403971), (510, 396050), (534, 378250), (750, 269314), (850, 237630), (890, 226950), (1020, 198025), (1068, 189125), (1275, 158420), (1335, 151300), (1500, 134657), (1513, 133500), (1700, 118815), (1780, 113475), (2125, 95052), (2225, 90780), (2550, 79210), (2670, 75650), (3026, 66750), (4250, 47526), (4450, 45390), (4539, 44500), (5100, 39605), (5340, 37825), (6052, 33375), (6375, 31684), (6675, 30260), (7565, 26700), (7921, 25500), (8500, 23763), (8900, 22695), (9078, 22250), (11125, 18156), (12750, 15842), (13350, 15130)]