520781450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1103}}^1$

素因数の和:1212

約数の個数: 96

約数和(自身を含む): 1182781440

約数和(自身を除く): 661999990

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 71, 95, 133, 142, 175, 190, 266, 350, 355, 475, 497, 665, 710, 950, 994, 1103, 1330, 1349, 1775, 2206, 2485, 2698, 3325, 3550, 4970, 5515, 6650, 6745, 7721, 9443, 11030, 12425, 13490, 15442, 18886, 20957, 24850, 27575, 33725, 38605, 41914, 47215, 55150, 67450, 77210, 78313, 94430, 104785, 146699, 156626, 193025, 209570, 236075, 293398, 386050, 391565, 472150, 523925, 548191, 733495, 783130, 1047850, 1096382, 1466990, 1487947, 1957825, 2740955, 2975894, 3667475, 3915650, 5481910, 7334950, 7439735, 10415629, 13704775, 14879470, 20831258, 27409550, 37198675, 52078145, 74397350, 104156290, 260390725, 520781450]

約数ペア:

[(1, 520781450), (2, 260390725), (5, 104156290), (7, 74397350), (10, 52078145), (14, 37198675), (19, 27409550), (25, 20831258), (35, 14879470), (38, 13704775), (50, 10415629), (70, 7439735), (71, 7334950), (95, 5481910), (133, 3915650), (142, 3667475), (175, 2975894), (190, 2740955), (266, 1957825), (350, 1487947), (355, 1466990), (475, 1096382), (497, 1047850), (665, 783130), (710, 733495), (950, 548191), (994, 523925), (1103, 472150), (1330, 391565), (1349, 386050), (1775, 293398), (2206, 236075), (2485, 209570), (2698, 193025), (3325, 156626), (3550, 146699), (4970, 104785), (5515, 94430), (6650, 78313), (6745, 77210), (7721, 67450), (9443, 55150), (11030, 47215), (12425, 41914), (13490, 38605), (15442, 33725), (18886, 27575), (20957, 24850)]