1418990000

素因数分解:

$2^4\times 5^4\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:553

約数の個数: 150

約数和(自身を含む): 3656926284

約数和(自身を除く): 2237936284

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 289, 340, 400, 425, 491, 500, 578, 625, 680, 850, 982, 1000, 1156, 1250, 1360, 1445, 1700, 1964, 2000, 2125, 2312, 2455, 2500, 2890, 3400, 3928, 4250, 4624, 4910, 5000, 5780, 6800, 7225, 7856, 8347, 8500, 9820, 10000, 10625, 11560, 12275, 14450, 16694, 17000, 19640, 21250, 23120, 24550, 28900, 33388, 34000, 36125, 39280, 41735, 42500, 49100, 57800, 61375, 66776, 72250, 83470, 85000, 98200, 115600, 122750, 133552, 141899, 144500, 166940, 170000, 180625, 196400, 208675, 245500, 283798, 289000, 306875, 333880, 361250, 417350, 491000, 567596, 578000, 613750, 667760, 709495, 722500, 834700, 982000, 1043375, 1135192, 1227500, 1418990, 1445000, 1669400, 2086750, 2270384, 2455000, 2837980, 2890000, 3338800, 3547475, 4173500, 4910000, 5216875, 5675960, 7094950, 8347000, 10433750, 11351920, 14189900, 16694000, 17737375, 20867500, 28379800, 35474750, 41735000, 56759600, 70949500, 83470000, 88686875, 141899000, 177373750, 283798000, 354747500, 709495000, 1418990000]

約数ペア:

[(1, 1418990000), (2, 709495000), (4, 354747500), (5, 283798000), (8, 177373750), (10, 141899000), (16, 88686875), (17, 83470000), (20, 70949500), (25, 56759600), (34, 41735000), (40, 35474750), (50, 28379800), (68, 20867500), (80, 17737375), (85, 16694000), (100, 14189900), (125, 11351920), (136, 10433750), (170, 8347000), (200, 7094950), (250, 5675960), (272, 5216875), (289, 4910000), (340, 4173500), (400, 3547475), (425, 3338800), (491, 2890000), (500, 2837980), (578, 2455000), (625, 2270384), (680, 2086750), (850, 1669400), (982, 1445000), (1000, 1418990), (1156, 1227500), (1250, 1135192), (1360, 1043375), (1445, 982000), (1700, 834700), (1964, 722500), (2000, 709495), (2125, 667760), (2312, 613750), (2455, 578000), (2500, 567596), (2890, 491000), (3400, 417350), (3928, 361250), (4250, 333880), (4624, 306875), (4910, 289000), (5000, 283798), (5780, 245500), (6800, 208675), (7225, 196400), (7856, 180625), (8347, 170000), (8500, 166940), (9820, 144500), (10000, 141899), (10625, 133552), (11560, 122750), (12275, 115600), (14450, 98200), (16694, 85000), (17000, 83470), (19640, 72250), (21250, 66776), (23120, 61375), (24550, 57800), (28900, 49100), (33388, 42500), (34000, 41735), (36125, 39280)]