156720981100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{765613}}^1$

素因数の和:765739

約数の個数: 72

約数和(自身を含む): 358858594080

約数和(自身を除く): 202137612980

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 89, 92, 100, 115, 178, 230, 356, 445, 460, 575, 890, 1150, 1780, 2047, 2225, 2300, 4094, 4450, 8188, 8900, 10235, 20470, 40940, 51175, 102350, 204700, 765613, 1531226, 3062452, 3828065, 7656130, 15312260, 17609099, 19140325, 35218198, 38280650, 68139557, 70436396, 76561300, 88045495, 136279114, 176090990, 272558228, 340697785, 352181980, 440227475, 681395570, 880454950, 1362791140, 1567209811, 1703488925, 1760909900, 3134419622, 3406977850, 6268839244, 6813955700, 7836049055, 15672098110, 31344196220, 39180245275, 78360490550, 156720981100]

約数ペア:

[(1, 156720981100), (2, 78360490550), (4, 39180245275), (5, 31344196220), (10, 15672098110), (20, 7836049055), (23, 6813955700), (25, 6268839244), (46, 3406977850), (50, 3134419622), (89, 1760909900), (92, 1703488925), (100, 1567209811), (115, 1362791140), (178, 880454950), (230, 681395570), (356, 440227475), (445, 352181980), (460, 340697785), (575, 272558228), (890, 176090990), (1150, 136279114), (1780, 88045495), (2047, 76561300), (2225, 70436396), (2300, 68139557), (4094, 38280650), (4450, 35218198), (8188, 19140325), (8900, 17609099), (10235, 15312260), (20470, 7656130), (40940, 3828065), (51175, 3062452), (102350, 1531226), (204700, 765613)]