1902828050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{199}}^2$

素因数の和:472

約数の個数: 54

約数和(自身を含む): 3675582549

約数和(自身を除く): 1772754499

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 199, 310, 398, 775, 961, 995, 1550, 1922, 1990, 4805, 4975, 6169, 9610, 9950, 12338, 24025, 30845, 39601, 48050, 61690, 79202, 154225, 191239, 198005, 308450, 382478, 396010, 956195, 990025, 1227631, 1912390, 1980050, 2455262, 4780975, 6138155, 9561950, 12276310, 30690775, 38056561, 61381550, 76113122, 190282805, 380565610, 951414025, 1902828050]

約数ペア:

[(1, 1902828050), (2, 951414025), (5, 380565610), (10, 190282805), (25, 76113122), (31, 61381550), (50, 38056561), (62, 30690775), (155, 12276310), (199, 9561950), (310, 6138155), (398, 4780975), (775, 2455262), (961, 1980050), (995, 1912390), (1550, 1227631), (1922, 990025), (1990, 956195), (4805, 396010), (4975, 382478), (6169, 308450), (9610, 198005), (9950, 191239), (12338, 154225), (24025, 79202), (30845, 61690), (39601, 48050)]