216518250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 594397440

約数和(自身を除く): 377879190

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 53, 65, 75, 78, 106, 125, 130, 150, 159, 195, 250, 265, 318, 325, 375, 390, 419, 530, 650, 689, 750, 795, 838, 975, 1257, 1325, 1378, 1590, 1625, 1950, 2067, 2095, 2514, 2650, 3250, 3445, 3975, 4134, 4190, 4875, 5447, 6285, 6625, 6890, 7950, 9750, 10335, 10475, 10894, 12570, 13250, 16341, 17225, 19875, 20670, 20950, 22207, 27235, 31425, 32682, 34450, 39750, 44414, 51675, 52375, 54470, 62850, 66621, 81705, 86125, 103350, 104750, 111035, 133242, 136175, 157125, 163410, 172250, 222070, 258375, 272350, 288691, 314250, 333105, 408525, 516750, 555175, 577382, 666210, 680875, 817050, 866073, 1110350, 1361750, 1443455, 1665525, 1732146, 2042625, 2775875, 2886910, 3331050, 4085250, 4330365, 5551750, 7217275, 8327625, 8660730, 14434550, 16655250, 21651825, 36086375, 43303650, 72172750, 108259125, 216518250]

約数ペア:

[(1, 216518250), (2, 108259125), (3, 72172750), (5, 43303650), (6, 36086375), (10, 21651825), (13, 16655250), (15, 14434550), (25, 8660730), (26, 8327625), (30, 7217275), (39, 5551750), (50, 4330365), (53, 4085250), (65, 3331050), (75, 2886910), (78, 2775875), (106, 2042625), (125, 1732146), (130, 1665525), (150, 1443455), (159, 1361750), (195, 1110350), (250, 866073), (265, 817050), (318, 680875), (325, 666210), (375, 577382), (390, 555175), (419, 516750), (530, 408525), (650, 333105), (689, 314250), (750, 288691), (795, 272350), (838, 258375), (975, 222070), (1257, 172250), (1325, 163410), (1378, 157125), (1590, 136175), (1625, 133242), (1950, 111035), (2067, 104750), (2095, 103350), (2514, 86125), (2650, 81705), (3250, 66621), (3445, 62850), (3975, 54470), (4134, 52375), (4190, 51675), (4875, 44414), (5447, 39750), (6285, 34450), (6625, 32682), (6890, 31425), (7950, 27235), (9750, 22207), (10335, 20950), (10475, 20670), (10894, 19875), (12570, 17225), (13250, 16341)]