78341200

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{571}}^1$

素因数の和:610

約数の個数: 120

約数和(自身を含む): 219876800

約数和(自身を除く): 141535600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 343, 350, 392, 400, 490, 560, 571, 686, 700, 784, 980, 1142, 1225, 1372, 1400, 1715, 1960, 2284, 2450, 2744, 2800, 2855, 3430, 3920, 3997, 4568, 4900, 5488, 5710, 6860, 7994, 8575, 9136, 9800, 11420, 13720, 14275, 15988, 17150, 19600, 19985, 22840, 27440, 27979, 28550, 31976, 34300, 39970, 45680, 55958, 57100, 63952, 68600, 79940, 99925, 111916, 114200, 137200, 139895, 159880, 195853, 199850, 223832, 228400, 279790, 319760, 391706, 399700, 447664, 559580, 699475, 783412, 799400, 979265, 1119160, 1398950, 1566824, 1598800, 1958530, 2238320, 2797900, 3133648, 3917060, 4896325, 5595800, 7834120, 9792650, 11191600, 15668240, 19585300, 39170600, 78341200]

約数ペア:

[(1, 78341200), (2, 39170600), (4, 19585300), (5, 15668240), (7, 11191600), (8, 9792650), (10, 7834120), (14, 5595800), (16, 4896325), (20, 3917060), (25, 3133648), (28, 2797900), (35, 2238320), (40, 1958530), (49, 1598800), (50, 1566824), (56, 1398950), (70, 1119160), (80, 979265), (98, 799400), (100, 783412), (112, 699475), (140, 559580), (175, 447664), (196, 399700), (200, 391706), (245, 319760), (280, 279790), (343, 228400), (350, 223832), (392, 199850), (400, 195853), (490, 159880), (560, 139895), (571, 137200), (686, 114200), (700, 111916), (784, 99925), (980, 79940), (1142, 68600), (1225, 63952), (1372, 57100), (1400, 55958), (1715, 45680), (1960, 39970), (2284, 34300), (2450, 31976), (2744, 28550), (2800, 27979), (2855, 27440), (3430, 22840), (3920, 19985), (3997, 19600), (4568, 17150), (4900, 15988), (5488, 14275), (5710, 13720), (6860, 11420), (7994, 9800), (8575, 9136)]