212640400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:622

約数の個数: 180

約数和(自身を含む): 626648880

約数和(自身を除く): 414008480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 80, 95, 98, 100, 112, 133, 140, 152, 175, 190, 196, 200, 245, 266, 280, 304, 350, 380, 392, 400, 475, 490, 532, 560, 571, 665, 700, 760, 784, 931, 950, 980, 1064, 1142, 1225, 1330, 1400, 1520, 1862, 1900, 1960, 2128, 2284, 2450, 2660, 2800, 2855, 3325, 3724, 3800, 3920, 3997, 4568, 4655, 4900, 5320, 5710, 6650, 7448, 7600, 7994, 9136, 9310, 9800, 10640, 10849, 11420, 13300, 14275, 14896, 15988, 18620, 19600, 19985, 21698, 22840, 23275, 26600, 27979, 28550, 31976, 37240, 39970, 43396, 45680, 46550, 53200, 54245, 55958, 57100, 63952, 74480, 75943, 79940, 86792, 93100, 99925, 108490, 111916, 114200, 139895, 151886, 159880, 173584, 186200, 199850, 216980, 223832, 228400, 271225, 279790, 303772, 319760, 372400, 379715, 399700, 433960, 447664, 531601, 542450, 559580, 607544, 699475, 759430, 799400, 867920, 1063202, 1084900, 1119160, 1215088, 1398950, 1518860, 1598800, 1898575, 2126404, 2169800, 2238320, 2658005, 2797900, 3037720, 3797150, 4252808, 4339600, 5316010, 5595800, 6075440, 7594300, 8505616, 10632020, 11191600, 13290025, 15188600, 21264040, 26580050, 30377200, 42528080, 53160100, 106320200, 212640400]

約数ペア:

[(1, 212640400), (2, 106320200), (4, 53160100), (5, 42528080), (7, 30377200), (8, 26580050), (10, 21264040), (14, 15188600), (16, 13290025), (19, 11191600), (20, 10632020), (25, 8505616), (28, 7594300), (35, 6075440), (38, 5595800), (40, 5316010), (49, 4339600), (50, 4252808), (56, 3797150), (70, 3037720), (76, 2797900), (80, 2658005), (95, 2238320), (98, 2169800), (100, 2126404), (112, 1898575), (133, 1598800), (140, 1518860), (152, 1398950), (175, 1215088), (190, 1119160), (196, 1084900), (200, 1063202), (245, 867920), (266, 799400), (280, 759430), (304, 699475), (350, 607544), (380, 559580), (392, 542450), (400, 531601), (475, 447664), (490, 433960), (532, 399700), (560, 379715), (571, 372400), (665, 319760), (700, 303772), (760, 279790), (784, 271225), (931, 228400), (950, 223832), (980, 216980), (1064, 199850), (1142, 186200), (1225, 173584), (1330, 159880), (1400, 151886), (1520, 139895), (1862, 114200), (1900, 111916), (1960, 108490), (2128, 99925), (2284, 93100), (2450, 86792), (2660, 79940), (2800, 75943), (2855, 74480), (3325, 63952), (3724, 57100), (3800, 55958), (3920, 54245), (3997, 53200), (4568, 46550), (4655, 45680), (4900, 43396), (5320, 39970), (5710, 37240), (6650, 31976), (7448, 28550), (7600, 27979), (7994, 26600), (9136, 23275), (9310, 22840), (9800, 21698), (10640, 19985), (10849, 19600), (11420, 18620), (13300, 15988), (14275, 14896)]