180389300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 494051712

約数和(自身を除く): 313662412

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 43, 50, 52, 65, 70, 86, 91, 100, 130, 140, 172, 175, 182, 215, 260, 301, 325, 350, 364, 430, 455, 461, 559, 602, 650, 700, 860, 910, 922, 1075, 1118, 1204, 1300, 1505, 1820, 1844, 2150, 2236, 2275, 2305, 2795, 3010, 3227, 3913, 4300, 4550, 4610, 5590, 5993, 6020, 6454, 7525, 7826, 9100, 9220, 11180, 11525, 11986, 12908, 13975, 15050, 15652, 16135, 19565, 19823, 23050, 23972, 27950, 29965, 30100, 32270, 39130, 39646, 41951, 46100, 55900, 59930, 64540, 78260, 79292, 80675, 83902, 97825, 99115, 119860, 138761, 149825, 161350, 167804, 195650, 198230, 209755, 257699, 277522, 299650, 322700, 391300, 396460, 419510, 495575, 515398, 555044, 599300, 693805, 839020, 991150, 1030796, 1048775, 1288495, 1387610, 1803893, 1982300, 2097550, 2576990, 2775220, 3469025, 3607786, 4195100, 5153980, 6442475, 6938050, 7215572, 9019465, 12884950, 13876100, 18038930, 25769900, 36077860, 45097325, 90194650, 180389300]

約数ペア:

[(1, 180389300), (2, 90194650), (4, 45097325), (5, 36077860), (7, 25769900), (10, 18038930), (13, 13876100), (14, 12884950), (20, 9019465), (25, 7215572), (26, 6938050), (28, 6442475), (35, 5153980), (43, 4195100), (50, 3607786), (52, 3469025), (65, 2775220), (70, 2576990), (86, 2097550), (91, 1982300), (100, 1803893), (130, 1387610), (140, 1288495), (172, 1048775), (175, 1030796), (182, 991150), (215, 839020), (260, 693805), (301, 599300), (325, 555044), (350, 515398), (364, 495575), (430, 419510), (455, 396460), (461, 391300), (559, 322700), (602, 299650), (650, 277522), (700, 257699), (860, 209755), (910, 198230), (922, 195650), (1075, 167804), (1118, 161350), (1204, 149825), (1300, 138761), (1505, 119860), (1820, 99115), (1844, 97825), (2150, 83902), (2236, 80675), (2275, 79292), (2305, 78260), (2795, 64540), (3010, 59930), (3227, 55900), (3913, 46100), (4300, 41951), (4550, 39646), (4610, 39130), (5590, 32270), (5993, 30100), (6020, 29965), (6454, 27950), (7525, 23972), (7826, 23050), (9100, 19823), (9220, 19565), (11180, 16135), (11525, 15652), (11986, 15050), (12908, 13975)]