397295640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4261}}^1$

素因数の和:4322

約数の個数: 192

約数和(自身を含む): 1515908160

約数和(自身を除く): 1118612520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 56, 60, 63, 70, 72, 74, 84, 90, 105, 111, 120, 126, 140, 148, 168, 180, 185, 210, 222, 252, 259, 280, 296, 315, 333, 360, 370, 420, 444, 504, 518, 555, 630, 666, 740, 777, 840, 888, 1036, 1110, 1260, 1295, 1332, 1480, 1554, 1665, 2072, 2220, 2331, 2520, 2590, 2664, 3108, 3330, 3885, 4261, 4440, 4662, 5180, 6216, 6660, 7770, 8522, 9324, 10360, 11655, 12783, 13320, 15540, 17044, 18648, 21305, 23310, 25566, 29827, 31080, 34088, 38349, 42610, 46620, 51132, 59654, 63915, 76698, 85220, 89481, 93240, 102264, 119308, 127830, 149135, 153396, 157657, 170440, 178962, 191745, 238616, 255660, 268443, 298270, 306792, 315314, 357924, 383490, 447405, 472971, 511320, 536886, 596540, 630628, 715848, 766980, 788285, 894810, 945942, 1073772, 1103599, 1193080, 1261256, 1342215, 1418913, 1533960, 1576570, 1789620, 1891884, 2147544, 2207198, 2364855, 2684430, 2837826, 3153140, 3310797, 3579240, 3783768, 4414396, 4729710, 5368860, 5517995, 5675652, 6306280, 6621594, 7094565, 8828792, 9459420, 9932391, 10737720, 11035990, 11351304, 13243188, 14189130, 16553985, 18918840, 19864782, 22071980, 26486376, 28378260, 33107970, 39729564, 44143960, 49661955, 56756520, 66215940, 79459128, 99323910, 132431880, 198647820, 397295640]

約数ペア:

[(1, 397295640), (2, 198647820), (3, 132431880), (4, 99323910), (5, 79459128), (6, 66215940), (7, 56756520), (8, 49661955), (9, 44143960), (10, 39729564), (12, 33107970), (14, 28378260), (15, 26486376), (18, 22071980), (20, 19864782), (21, 18918840), (24, 16553985), (28, 14189130), (30, 13243188), (35, 11351304), (36, 11035990), (37, 10737720), (40, 9932391), (42, 9459420), (45, 8828792), (56, 7094565), (60, 6621594), (63, 6306280), (70, 5675652), (72, 5517995), (74, 5368860), (84, 4729710), (90, 4414396), (105, 3783768), (111, 3579240), (120, 3310797), (126, 3153140), (140, 2837826), (148, 2684430), (168, 2364855), (180, 2207198), (185, 2147544), (210, 1891884), (222, 1789620), (252, 1576570), (259, 1533960), (280, 1418913), (296, 1342215), (315, 1261256), (333, 1193080), (360, 1103599), (370, 1073772), (420, 945942), (444, 894810), (504, 788285), (518, 766980), (555, 715848), (630, 630628), (666, 596540), (740, 536886), (777, 511320), (840, 472971), (888, 447405), (1036, 383490), (1110, 357924), (1260, 315314), (1295, 306792), (1332, 298270), (1480, 268443), (1554, 255660), (1665, 238616), (2072, 191745), (2220, 178962), (2331, 170440), (2520, 157657), (2590, 153396), (2664, 149135), (3108, 127830), (3330, 119308), (3885, 102264), (4261, 93240), (4440, 89481), (4662, 85220), (5180, 76698), (6216, 63915), (6660, 59654), (7770, 51132), (8522, 46620), (9324, 42610), (10360, 38349), (11655, 34088), (12783, 31080), (13320, 29827), (15540, 25566), (17044, 23310), (18648, 21305)]