397881960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:616

約数の個数: 192

約数和(自身を含む): 1400613120

約数和(自身を除く): 1002731160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 157, 168, 196, 210, 245, 280, 294, 314, 392, 420, 431, 471, 490, 588, 628, 735, 785, 840, 862, 942, 980, 1099, 1176, 1256, 1293, 1470, 1570, 1724, 1884, 1960, 2155, 2198, 2355, 2586, 2940, 3017, 3140, 3297, 3448, 3768, 4310, 4396, 4710, 5172, 5495, 5880, 6034, 6280, 6465, 6594, 7693, 8620, 8792, 9051, 9420, 10344, 10990, 12068, 12930, 13188, 15085, 15386, 16485, 17240, 18102, 18840, 21119, 21980, 23079, 24136, 25860, 26376, 30170, 30772, 32970, 36204, 38465, 42238, 43960, 45255, 46158, 51720, 60340, 61544, 63357, 65940, 67667, 72408, 76930, 84476, 90510, 92316, 105595, 115395, 120680, 126714, 131880, 135334, 153860, 168952, 181020, 184632, 203001, 211190, 230790, 253428, 270668, 307720, 316785, 338335, 362040, 406002, 422380, 461580, 473669, 506856, 541336, 633570, 676670, 812004, 844760, 923160, 947338, 1015005, 1267140, 1353340, 1421007, 1624008, 1894676, 2030010, 2368345, 2534280, 2706680, 2842014, 3315683, 3789352, 4060020, 4736690, 5684028, 6631366, 7105035, 8120040, 9473380, 9947049, 11368056, 13262732, 14210070, 16578415, 18946760, 19894098, 26525464, 28420140, 33156830, 39788196, 49735245, 56840280, 66313660, 79576392, 99470490, 132627320, 198940980, 397881960]

約数ペア:

[(1, 397881960), (2, 198940980), (3, 132627320), (4, 99470490), (5, 79576392), (6, 66313660), (7, 56840280), (8, 49735245), (10, 39788196), (12, 33156830), (14, 28420140), (15, 26525464), (20, 19894098), (21, 18946760), (24, 16578415), (28, 14210070), (30, 13262732), (35, 11368056), (40, 9947049), (42, 9473380), (49, 8120040), (56, 7105035), (60, 6631366), (70, 5684028), (84, 4736690), (98, 4060020), (105, 3789352), (120, 3315683), (140, 2842014), (147, 2706680), (157, 2534280), (168, 2368345), (196, 2030010), (210, 1894676), (245, 1624008), (280, 1421007), (294, 1353340), (314, 1267140), (392, 1015005), (420, 947338), (431, 923160), (471, 844760), (490, 812004), (588, 676670), (628, 633570), (735, 541336), (785, 506856), (840, 473669), (862, 461580), (942, 422380), (980, 406002), (1099, 362040), (1176, 338335), (1256, 316785), (1293, 307720), (1470, 270668), (1570, 253428), (1724, 230790), (1884, 211190), (1960, 203001), (2155, 184632), (2198, 181020), (2355, 168952), (2586, 153860), (2940, 135334), (3017, 131880), (3140, 126714), (3297, 120680), (3448, 115395), (3768, 105595), (4310, 92316), (4396, 90510), (4710, 84476), (5172, 76930), (5495, 72408), (5880, 67667), (6034, 65940), (6280, 63357), (6465, 61544), (6594, 60340), (7693, 51720), (8620, 46158), (8792, 45255), (9051, 43960), (9420, 42238), (10344, 38465), (10990, 36204), (12068, 32970), (12930, 30772), (13188, 30170), (15085, 26376), (15386, 25860), (16485, 24136), (17240, 23079), (18102, 21980), (18840, 21119)]