119950640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1110

約数の個数: 80

約数和(自身を含む): 298909440

約数和(自身を除く): 178958800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 445, 680, 712, 890, 991, 1360, 1424, 1513, 1780, 1982, 3026, 3560, 3964, 4955, 6052, 7120, 7565, 7928, 9910, 12104, 15130, 15856, 16847, 19820, 24208, 30260, 33694, 39640, 60520, 67388, 79280, 84235, 88199, 121040, 134776, 168470, 176398, 269552, 336940, 352796, 440995, 673880, 705592, 881990, 1347760, 1411184, 1499383, 1763980, 2998766, 3527960, 5997532, 7055920, 7496915, 11995064, 14993830, 23990128, 29987660, 59975320, 119950640]

約数ペア:

[(1, 119950640), (2, 59975320), (4, 29987660), (5, 23990128), (8, 14993830), (10, 11995064), (16, 7496915), (17, 7055920), (20, 5997532), (34, 3527960), (40, 2998766), (68, 1763980), (80, 1499383), (85, 1411184), (89, 1347760), (136, 881990), (170, 705592), (178, 673880), (272, 440995), (340, 352796), (356, 336940), (445, 269552), (680, 176398), (712, 168470), (890, 134776), (991, 121040), (1360, 88199), (1424, 84235), (1513, 79280), (1780, 67388), (1982, 60520), (3026, 39640), (3560, 33694), (3964, 30260), (4955, 24208), (6052, 19820), (7120, 16847), (7565, 15856), (7928, 15130), (9910, 12104)]