28765172500

素因数分解:

$2^2\times 5^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{9227}}^1$

素因数の和:9323

約数の個数: 120

約数和(自身を含む): 66593308320

約数和(自身を除く): 37828135820

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 43, 50, 58, 86, 100, 116, 125, 145, 172, 215, 250, 290, 430, 500, 580, 625, 725, 860, 1075, 1247, 1250, 1450, 2150, 2494, 2500, 2900, 3625, 4300, 4988, 5375, 6235, 7250, 9227, 10750, 12470, 14500, 18125, 18454, 21500, 24940, 26875, 31175, 36250, 36908, 46135, 53750, 62350, 72500, 92270, 107500, 124700, 155875, 184540, 230675, 267583, 311750, 396761, 461350, 535166, 623500, 779375, 793522, 922700, 1070332, 1153375, 1337915, 1558750, 1587044, 1983805, 2306750, 2675830, 3117500, 3967610, 4613500, 5351660, 5766875, 6689575, 7935220, 9919025, 11506069, 11533750, 13379150, 19838050, 23012138, 23067500, 26758300, 33447875, 39676100, 46024276, 49595125, 57530345, 66895750, 99190250, 115060690, 133791500, 167239375, 198380500, 230121380, 247975625, 287651725, 334478750, 495951250, 575303450, 668957500, 991902500, 1150606900, 1438258625, 2876517250, 5753034500, 7191293125, 14382586250, 28765172500]

約数ペア:

[(1, 28765172500), (2, 14382586250), (4, 7191293125), (5, 5753034500), (10, 2876517250), (20, 1438258625), (25, 1150606900), (29, 991902500), (43, 668957500), (50, 575303450), (58, 495951250), (86, 334478750), (100, 287651725), (116, 247975625), (125, 230121380), (145, 198380500), (172, 167239375), (215, 133791500), (250, 115060690), (290, 99190250), (430, 66895750), (500, 57530345), (580, 49595125), (625, 46024276), (725, 39676100), (860, 33447875), (1075, 26758300), (1247, 23067500), (1250, 23012138), (1450, 19838050), (2150, 13379150), (2494, 11533750), (2500, 11506069), (2900, 9919025), (3625, 7935220), (4300, 6689575), (4988, 5766875), (5375, 5351660), (6235, 4613500), (7250, 3967610), (9227, 3117500), (10750, 2675830), (12470, 2306750), (14500, 1983805), (18125, 1587044), (18454, 1558750), (21500, 1337915), (24940, 1153375), (26875, 1070332), (31175, 922700), (36250, 793522), (36908, 779375), (46135, 623500), (53750, 535166), (62350, 461350), (72500, 396761), (92270, 311750), (107500, 267583), (124700, 230675), (155875, 184540)]