90497560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1301}}^1$

素因数の和:1396

約数の個数: 64

約数和(自身を含む): 213736320

約数和(自身を除く): 123238760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 940, 1301, 1480, 1739, 1880, 2602, 3478, 5204, 6505, 6956, 8695, 10408, 13010, 13912, 17390, 26020, 34780, 48137, 52040, 61147, 69560, 96274, 122294, 192548, 240685, 244588, 305735, 385096, 481370, 489176, 611470, 962740, 1222940, 1925480, 2262439, 2445880, 4524878, 9049756, 11312195, 18099512, 22624390, 45248780, 90497560]

約数ペア:

[(1, 90497560), (2, 45248780), (4, 22624390), (5, 18099512), (8, 11312195), (10, 9049756), (20, 4524878), (37, 2445880), (40, 2262439), (47, 1925480), (74, 1222940), (94, 962740), (148, 611470), (185, 489176), (188, 481370), (235, 385096), (296, 305735), (370, 244588), (376, 240685), (470, 192548), (740, 122294), (940, 96274), (1301, 69560), (1480, 61147), (1739, 52040), (1880, 48137), (2602, 34780), (3478, 26020), (5204, 17390), (6505, 13912), (6956, 13010), (8695, 10408)]