285727000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:774

約数の個数: 128

約数和(自身を含む): 744307200

約数和(自身を除く): 458580200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 125, 130, 155, 200, 248, 250, 260, 310, 325, 403, 500, 520, 620, 650, 709, 775, 806, 1000, 1240, 1300, 1418, 1550, 1612, 1625, 2015, 2600, 2836, 3100, 3224, 3250, 3545, 3875, 4030, 5672, 6200, 6500, 7090, 7750, 8060, 9217, 10075, 13000, 14180, 15500, 16120, 17725, 18434, 20150, 21979, 28360, 31000, 35450, 36868, 40300, 43958, 46085, 50375, 70900, 73736, 80600, 87916, 88625, 92170, 100750, 109895, 141800, 175832, 177250, 184340, 201500, 219790, 230425, 285727, 354500, 368680, 403000, 439580, 460850, 549475, 571454, 709000, 879160, 921700, 1098950, 1142908, 1152125, 1428635, 1843400, 2197900, 2285816, 2304250, 2747375, 2857270, 4395800, 4608500, 5494750, 5714540, 7143175, 9217000, 10989500, 11429080, 14286350, 21979000, 28572700, 35715875, 57145400, 71431750, 142863500, 285727000]

約数ペア:

[(1, 285727000), (2, 142863500), (4, 71431750), (5, 57145400), (8, 35715875), (10, 28572700), (13, 21979000), (20, 14286350), (25, 11429080), (26, 10989500), (31, 9217000), (40, 7143175), (50, 5714540), (52, 5494750), (62, 4608500), (65, 4395800), (100, 2857270), (104, 2747375), (124, 2304250), (125, 2285816), (130, 2197900), (155, 1843400), (200, 1428635), (248, 1152125), (250, 1142908), (260, 1098950), (310, 921700), (325, 879160), (403, 709000), (500, 571454), (520, 549475), (620, 460850), (650, 439580), (709, 403000), (775, 368680), (806, 354500), (1000, 285727), (1240, 230425), (1300, 219790), (1418, 201500), (1550, 184340), (1612, 177250), (1625, 175832), (2015, 141800), (2600, 109895), (2836, 100750), (3100, 92170), (3224, 88625), (3250, 87916), (3545, 80600), (3875, 73736), (4030, 70900), (5672, 50375), (6200, 46085), (6500, 43958), (7090, 40300), (7750, 36868), (8060, 35450), (9217, 31000), (10075, 28360), (13000, 21979), (14180, 20150), (15500, 18434), (16120, 17725)]