209496420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7229}}^1$

素因数の和:7274

約数の個数: 144

約数和(自身を含む): 757935360

約数和(自身を除く): 548438940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2898, 3220, 4140, 4830, 5796, 7229, 7245, 9660, 14458, 14490, 21687, 28916, 28980, 36145, 43374, 50603, 65061, 72290, 86748, 101206, 108435, 130122, 144580, 151809, 166267, 202412, 216870, 253015, 260244, 303618, 325305, 332534, 433740, 455427, 498801, 506030, 607236, 650610, 665068, 759045, 831335, 910854, 997602, 1012060, 1163869, 1301220, 1496403, 1518090, 1662670, 1821708, 1995204, 2277135, 2327738, 2494005, 2992806, 3036180, 3325340, 3491607, 4554270, 4655476, 4988010, 5819345, 5985612, 6983214, 7482015, 9108540, 9976020, 10474821, 11638690, 13966428, 14964030, 17458035, 20949642, 23277380, 29928060, 34916070, 41899284, 52374105, 69832140, 104748210, 209496420]

約数ペア:

[(1, 209496420), (2, 104748210), (3, 69832140), (4, 52374105), (5, 41899284), (6, 34916070), (7, 29928060), (9, 23277380), (10, 20949642), (12, 17458035), (14, 14964030), (15, 13966428), (18, 11638690), (20, 10474821), (21, 9976020), (23, 9108540), (28, 7482015), (30, 6983214), (35, 5985612), (36, 5819345), (42, 4988010), (45, 4655476), (46, 4554270), (60, 3491607), (63, 3325340), (69, 3036180), (70, 2992806), (84, 2494005), (90, 2327738), (92, 2277135), (105, 1995204), (115, 1821708), (126, 1662670), (138, 1518090), (140, 1496403), (161, 1301220), (180, 1163869), (207, 1012060), (210, 997602), (230, 910854), (252, 831335), (276, 759045), (315, 665068), (322, 650610), (345, 607236), (414, 506030), (420, 498801), (460, 455427), (483, 433740), (630, 332534), (644, 325305), (690, 303618), (805, 260244), (828, 253015), (966, 216870), (1035, 202412), (1260, 166267), (1380, 151809), (1449, 144580), (1610, 130122), (1932, 108435), (2070, 101206), (2415, 86748), (2898, 72290), (3220, 65061), (4140, 50603), (4830, 43374), (5796, 36145), (7229, 28980), (7245, 28916), (9660, 21687), (14458, 14490)]