68550100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 158496800

約数和(自身を除く): 89946700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 190, 218, 331, 380, 436, 475, 545, 662, 950, 1090, 1324, 1655, 1900, 2071, 2180, 2725, 3310, 4142, 5450, 6289, 6620, 8275, 8284, 10355, 10900, 12578, 16550, 20710, 25156, 31445, 33100, 36079, 41420, 51775, 62890, 72158, 103550, 125780, 144316, 157225, 180395, 207100, 314450, 360790, 628900, 685501, 721580, 901975, 1371002, 1803950, 2742004, 3427505, 3607900, 6855010, 13710020, 17137525, 34275050, 68550100]

約数ペア:

[(1, 68550100), (2, 34275050), (4, 17137525), (5, 13710020), (10, 6855010), (19, 3607900), (20, 3427505), (25, 2742004), (38, 1803950), (50, 1371002), (76, 901975), (95, 721580), (100, 685501), (109, 628900), (190, 360790), (218, 314450), (331, 207100), (380, 180395), (436, 157225), (475, 144316), (545, 125780), (662, 103550), (950, 72158), (1090, 62890), (1324, 51775), (1655, 41420), (1900, 36079), (2071, 33100), (2180, 31445), (2725, 25156), (3310, 20710), (4142, 16550), (5450, 12578), (6289, 10900), (6620, 10355), (8275, 8284)]