209897040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:397

約数の個数: 160

約数和(自身を含む): 677206656

約数和(自身を除く): 467309616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 83, 120, 123, 164, 166, 205, 240, 246, 249, 257, 328, 332, 410, 415, 492, 498, 514, 615, 656, 664, 771, 820, 830, 984, 996, 1028, 1230, 1245, 1285, 1328, 1542, 1640, 1660, 1968, 1992, 2056, 2460, 2490, 2570, 3084, 3280, 3320, 3403, 3855, 3984, 4112, 4920, 4980, 5140, 6168, 6640, 6806, 7710, 9840, 9960, 10209, 10280, 10537, 12336, 13612, 15420, 17015, 19920, 20418, 20560, 21074, 21331, 27224, 30840, 31611, 34030, 40836, 42148, 42662, 51045, 52685, 54448, 61680, 63222, 63993, 68060, 81672, 84296, 85324, 102090, 105370, 106655, 126444, 127986, 136120, 158055, 163344, 168592, 170648, 204180, 210740, 213310, 252888, 255972, 272240, 316110, 319965, 341296, 408360, 421480, 426620, 505776, 511944, 632220, 639930, 816720, 842960, 853240, 874571, 1023888, 1264440, 1279860, 1706480, 1749142, 2528880, 2559720, 2623713, 3498284, 4372855, 5119440, 5247426, 6996568, 8745710, 10494852, 13118565, 13993136, 17491420, 20989704, 26237130, 34982840, 41979408, 52474260, 69965680, 104948520, 209897040]

約数ペア:

[(1, 209897040), (2, 104948520), (3, 69965680), (4, 52474260), (5, 41979408), (6, 34982840), (8, 26237130), (10, 20989704), (12, 17491420), (15, 13993136), (16, 13118565), (20, 10494852), (24, 8745710), (30, 6996568), (40, 5247426), (41, 5119440), (48, 4372855), (60, 3498284), (80, 2623713), (82, 2559720), (83, 2528880), (120, 1749142), (123, 1706480), (164, 1279860), (166, 1264440), (205, 1023888), (240, 874571), (246, 853240), (249, 842960), (257, 816720), (328, 639930), (332, 632220), (410, 511944), (415, 505776), (492, 426620), (498, 421480), (514, 408360), (615, 341296), (656, 319965), (664, 316110), (771, 272240), (820, 255972), (830, 252888), (984, 213310), (996, 210740), (1028, 204180), (1230, 170648), (1245, 168592), (1285, 163344), (1328, 158055), (1542, 136120), (1640, 127986), (1660, 126444), (1968, 106655), (1992, 105370), (2056, 102090), (2460, 85324), (2490, 84296), (2570, 81672), (3084, 68060), (3280, 63993), (3320, 63222), (3403, 61680), (3855, 54448), (3984, 52685), (4112, 51045), (4920, 42662), (4980, 42148), (5140, 40836), (6168, 34030), (6640, 31611), (6806, 30840), (7710, 27224), (9840, 21331), (9960, 21074), (10209, 20560), (10280, 20418), (10537, 19920), (12336, 17015), (13612, 15420)]