201978900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:575

約数の個数: 144

約数和(自身を含む): 654124800

約数和(自身を除く): 452145900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 239, 270, 300, 313, 450, 478, 540, 626, 675, 717, 900, 939, 956, 1195, 1252, 1350, 1434, 1565, 1878, 2151, 2390, 2700, 2817, 2868, 3130, 3585, 3756, 4302, 4695, 4780, 5634, 5975, 6260, 6453, 7170, 7825, 8451, 8604, 9390, 10755, 11268, 11950, 12906, 14085, 14340, 15650, 16902, 17925, 18780, 21510, 23475, 23900, 25812, 28170, 31300, 32265, 33804, 35850, 42255, 43020, 46950, 53775, 56340, 64530, 70425, 71700, 74807, 84510, 93900, 107550, 129060, 140850, 149614, 161325, 169020, 211275, 215100, 224421, 281700, 299228, 322650, 374035, 422550, 448842, 645300, 673263, 748070, 845100, 897684, 1122105, 1346526, 1496140, 1870175, 2019789, 2244210, 2693052, 3366315, 3740350, 4039578, 4488420, 5610525, 6732630, 7480700, 8079156, 10098945, 11221050, 13465260, 16831575, 20197890, 22442100, 33663150, 40395780, 50494725, 67326300, 100989450, 201978900]

約数ペア:

[(1, 201978900), (2, 100989450), (3, 67326300), (4, 50494725), (5, 40395780), (6, 33663150), (9, 22442100), (10, 20197890), (12, 16831575), (15, 13465260), (18, 11221050), (20, 10098945), (25, 8079156), (27, 7480700), (30, 6732630), (36, 5610525), (45, 4488420), (50, 4039578), (54, 3740350), (60, 3366315), (75, 2693052), (90, 2244210), (100, 2019789), (108, 1870175), (135, 1496140), (150, 1346526), (180, 1122105), (225, 897684), (239, 845100), (270, 748070), (300, 673263), (313, 645300), (450, 448842), (478, 422550), (540, 374035), (626, 322650), (675, 299228), (717, 281700), (900, 224421), (939, 215100), (956, 211275), (1195, 169020), (1252, 161325), (1350, 149614), (1434, 140850), (1565, 129060), (1878, 107550), (2151, 93900), (2390, 84510), (2700, 74807), (2817, 71700), (2868, 70425), (3130, 64530), (3585, 56340), (3756, 53775), (4302, 46950), (4695, 43020), (4780, 42255), (5634, 35850), (5975, 33804), (6260, 32265), (6453, 31300), (7170, 28170), (7825, 25812), (8451, 23900), (8604, 23475), (9390, 21510), (10755, 18780), (11268, 17925), (11950, 16902), (12906, 15650), (14085, 14340)]