2021504996

素因数分解:

$2^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{367}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 4175902080

約数和(自身を除く): 2154397084

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 157, 179, 196, 314, 358, 367, 628, 716, 734, 1099, 1253, 1468, 2198, 2506, 2569, 4396, 5012, 5138, 7693, 8771, 10276, 15386, 17542, 17983, 28103, 30772, 35084, 35966, 56206, 57619, 65693, 71932, 112412, 115238, 131386, 196721, 230476, 262772, 393442, 403333, 459851, 786884, 806666, 919702, 1377047, 1613332, 1839404, 2754094, 2823331, 3218957, 5508188, 5646662, 6437914, 10313801, 11293324, 12875828, 20627602, 41255204, 72196607, 144393214, 288786428, 505376249, 1010752498, 2021504996]

約数ペア:

[(1, 2021504996), (2, 1010752498), (4, 505376249), (7, 288786428), (14, 144393214), (28, 72196607), (49, 41255204), (98, 20627602), (157, 12875828), (179, 11293324), (196, 10313801), (314, 6437914), (358, 5646662), (367, 5508188), (628, 3218957), (716, 2823331), (734, 2754094), (1099, 1839404), (1253, 1613332), (1468, 1377047), (2198, 919702), (2506, 806666), (2569, 786884), (4396, 459851), (5012, 403333), (5138, 393442), (7693, 262772), (8771, 230476), (10276, 196721), (15386, 131386), (17542, 115238), (17983, 112412), (28103, 71932), (30772, 65693), (35084, 57619), (35966, 56206)]