199713420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 629411328

約数和(自身を除く): 429697908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 157, 180, 185, 191, 222, 314, 333, 370, 382, 444, 471, 555, 573, 628, 666, 740, 764, 785, 942, 955, 1110, 1146, 1332, 1413, 1570, 1665, 1719, 1884, 1910, 2220, 2292, 2355, 2826, 2865, 3140, 3330, 3438, 3820, 4710, 5652, 5730, 5809, 6660, 6876, 7065, 7067, 8595, 9420, 11460, 11618, 14130, 14134, 17190, 17427, 21201, 23236, 28260, 28268, 29045, 29987, 34380, 34854, 35335, 42402, 52281, 58090, 59974, 63603, 69708, 70670, 84804, 87135, 89961, 104562, 106005, 116180, 119948, 127206, 141340, 149935, 174270, 179922, 209124, 212010, 254412, 261405, 269883, 299870, 318015, 348540, 359844, 424020, 449805, 522810, 539766, 599740, 636030, 899610, 1045620, 1079532, 1109519, 1272060, 1349415, 1799220, 2219038, 2698830, 3328557, 4438076, 5397660, 5547595, 6657114, 9985671, 11095190, 13314228, 16642785, 19971342, 22190380, 33285570, 39942684, 49928355, 66571140, 99856710, 199713420]

約数ペア:

[(1, 199713420), (2, 99856710), (3, 66571140), (4, 49928355), (5, 39942684), (6, 33285570), (9, 22190380), (10, 19971342), (12, 16642785), (15, 13314228), (18, 11095190), (20, 9985671), (30, 6657114), (36, 5547595), (37, 5397660), (45, 4438076), (60, 3328557), (74, 2698830), (90, 2219038), (111, 1799220), (148, 1349415), (157, 1272060), (180, 1109519), (185, 1079532), (191, 1045620), (222, 899610), (314, 636030), (333, 599740), (370, 539766), (382, 522810), (444, 449805), (471, 424020), (555, 359844), (573, 348540), (628, 318015), (666, 299870), (740, 269883), (764, 261405), (785, 254412), (942, 212010), (955, 209124), (1110, 179922), (1146, 174270), (1332, 149935), (1413, 141340), (1570, 127206), (1665, 119948), (1719, 116180), (1884, 106005), (1910, 104562), (2220, 89961), (2292, 87135), (2355, 84804), (2826, 70670), (2865, 69708), (3140, 63603), (3330, 59974), (3438, 58090), (3820, 52281), (4710, 42402), (5652, 35335), (5730, 34854), (5809, 34380), (6660, 29987), (6876, 29045), (7065, 28268), (7067, 28260), (8595, 23236), (9420, 21201), (11460, 17427), (11618, 17190), (14130, 14134)]