313699880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31751}}^1$

素因数の和:31794

約数の個数: 64

約数和(自身を含む): 800150400

約数和(自身を除く): 486450520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 31751, 63502, 127004, 158755, 254008, 317510, 412763, 603269, 635020, 825526, 1206538, 1270040, 1651052, 2063815, 2413076, 3016345, 3302104, 4127630, 4826152, 6032690, 7842497, 8255260, 12065380, 15684994, 16510520, 24130760, 31369988, 39212485, 62739976, 78424970, 156849940, 313699880]

約数ペア:

[(1, 313699880), (2, 156849940), (4, 78424970), (5, 62739976), (8, 39212485), (10, 31369988), (13, 24130760), (19, 16510520), (20, 15684994), (26, 12065380), (38, 8255260), (40, 7842497), (52, 6032690), (65, 4826152), (76, 4127630), (95, 3302104), (104, 3016345), (130, 2413076), (152, 2063815), (190, 1651052), (247, 1270040), (260, 1206538), (380, 825526), (494, 635020), (520, 603269), (760, 412763), (988, 317510), (1235, 254008), (1976, 158755), (2470, 127004), (4940, 63502), (9880, 31751)]