2028689900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{853}}^1\times {\mathrm{1399}}^1$

素因数の和:2283

約数の個数: 72

約数和(自身を含む): 4670013600

約数和(自身を除く): 2641323700

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 853, 1399, 1700, 1706, 2798, 3412, 4265, 5596, 6995, 8530, 13990, 14501, 17060, 21325, 23783, 27980, 29002, 34975, 42650, 47566, 58004, 69950, 72505, 85300, 95132, 118915, 139900, 145010, 237830, 290020, 362525, 475660, 594575, 725050, 1189150, 1193347, 1450100, 2378300, 2386694, 4773388, 5966735, 11933470, 20286899, 23866940, 29833675, 40573798, 59667350, 81147596, 101434495, 119334700, 202868990, 405737980, 507172475, 1014344950, 2028689900]

約数ペア:

[(1, 2028689900), (2, 1014344950), (4, 507172475), (5, 405737980), (10, 202868990), (17, 119334700), (20, 101434495), (25, 81147596), (34, 59667350), (50, 40573798), (68, 29833675), (85, 23866940), (100, 20286899), (170, 11933470), (340, 5966735), (425, 4773388), (850, 2386694), (853, 2378300), (1399, 1450100), (1700, 1193347), (1706, 1189150), (2798, 725050), (3412, 594575), (4265, 475660), (5596, 362525), (6995, 290020), (8530, 237830), (13990, 145010), (14501, 139900), (17060, 118915), (21325, 95132), (23783, 85300), (27980, 72505), (29002, 69950), (34975, 58004), (42650, 47566)]