312325000

素因数分解:

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

素因数の和:106

約数の個数: 144

約数和(自身を含む): 814518180

約数和(自身を除く): 502193180

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, 625, 650, 775, 806, 961, 1000, 1240, 1250, 1300, 1550, 1612, 1625, 1922, 2015, 2500, 2600, 3100, 3125, 3224, 3250, 3844, 3875, 4030, 4805, 5000, 6200, 6250, 6500, 7688, 7750, 8060, 8125, 9610, 10075, 12493, 12500, 13000, 15500, 16120, 16250, 19220, 19375, 20150, 24025, 24986, 25000, 31000, 32500, 38440, 38750, 40300, 40625, 48050, 49972, 50375, 62465, 65000, 77500, 80600, 81250, 96100, 96875, 99944, 100750, 120125, 124930, 155000, 162500, 192200, 193750, 201500, 240250, 249860, 251875, 312325, 325000, 387500, 403000, 480500, 499720, 503750, 600625, 624650, 775000, 961000, 1007500, 1201250, 1249300, 1259375, 1561625, 2015000, 2402500, 2498600, 2518750, 3003125, 3123250, 4805000, 5037500, 6006250, 6246500, 7808125, 10075000, 12012500, 12493000, 15616250, 24025000, 31232500, 39040625, 62465000, 78081250, 156162500, 312325000]

約数ペア:

[(1, 312325000), (2, 156162500), (4, 78081250), (5, 62465000), (8, 39040625), (10, 31232500), (13, 24025000), (20, 15616250), (25, 12493000), (26, 12012500), (31, 10075000), (40, 7808125), (50, 6246500), (52, 6006250), (62, 5037500), (65, 4805000), (100, 3123250), (104, 3003125), (124, 2518750), (125, 2498600), (130, 2402500), (155, 2015000), (200, 1561625), (248, 1259375), (250, 1249300), (260, 1201250), (310, 1007500), (325, 961000), (403, 775000), (500, 624650), (520, 600625), (620, 503750), (625, 499720), (650, 480500), (775, 403000), (806, 387500), (961, 325000), (1000, 312325), (1240, 251875), (1250, 249860), (1300, 240250), (1550, 201500), (1612, 193750), (1625, 192200), (1922, 162500), (2015, 155000), (2500, 124930), (2600, 120125), (3100, 100750), (3125, 99944), (3224, 96875), (3250, 96100), (3844, 81250), (3875, 80600), (4030, 77500), (4805, 65000), (5000, 62465), (6200, 50375), (6250, 49972), (6500, 48050), (7688, 40625), (7750, 40300), (8060, 38750), (8125, 38440), (9610, 32500), (10075, 31000), (12493, 25000), (12500, 24986), (13000, 24025), (15500, 20150), (16120, 19375), (16250, 19220)]