19788300

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{349}}^1$

素因数の和:382

約数の個数: 180

約数和(自身を含む): 73519600

約数和(自身を除く): 53731300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 270, 300, 315, 324, 349, 350, 378, 405, 420, 450, 525, 540, 567, 630, 675, 698, 700, 756, 810, 900, 945, 1047, 1050, 1134, 1260, 1350, 1396, 1575, 1620, 1745, 1890, 2025, 2094, 2100, 2268, 2443, 2700, 2835, 3141, 3150, 3490, 3780, 4050, 4188, 4725, 4886, 5235, 5670, 6282, 6300, 6980, 7329, 8100, 8725, 9423, 9450, 9772, 10470, 11340, 12215, 12564, 14175, 14658, 15705, 17450, 18846, 18900, 20940, 21987, 24430, 26175, 28269, 28350, 29316, 31410, 34900, 36645, 37692, 43974, 47115, 48860, 52350, 56538, 56700, 61075, 62820, 65961, 73290, 78525, 87948, 94230, 104700, 109935, 113076, 122150, 131922, 141345, 146580, 157050, 183225, 188460, 197883, 219870, 235575, 244300, 263844, 282690, 314100, 329805, 366450, 395766, 439740, 471150, 549675, 565380, 659610, 706725, 732900, 791532, 942300, 989415, 1099350, 1319220, 1413450, 1649025, 1978830, 2198700, 2826900, 3298050, 3957660, 4947075, 6596100, 9894150, 19788300]

約数ペア:

[(1, 19788300), (2, 9894150), (3, 6596100), (4, 4947075), (5, 3957660), (6, 3298050), (7, 2826900), (9, 2198700), (10, 1978830), (12, 1649025), (14, 1413450), (15, 1319220), (18, 1099350), (20, 989415), (21, 942300), (25, 791532), (27, 732900), (28, 706725), (30, 659610), (35, 565380), (36, 549675), (42, 471150), (45, 439740), (50, 395766), (54, 366450), (60, 329805), (63, 314100), (70, 282690), (75, 263844), (81, 244300), (84, 235575), (90, 219870), (100, 197883), (105, 188460), (108, 183225), (126, 157050), (135, 146580), (140, 141345), (150, 131922), (162, 122150), (175, 113076), (180, 109935), (189, 104700), (210, 94230), (225, 87948), (252, 78525), (270, 73290), (300, 65961), (315, 62820), (324, 61075), (349, 56700), (350, 56538), (378, 52350), (405, 48860), (420, 47115), (450, 43974), (525, 37692), (540, 36645), (567, 34900), (630, 31410), (675, 29316), (698, 28350), (700, 28269), (756, 26175), (810, 24430), (900, 21987), (945, 20940), (1047, 18900), (1050, 18846), (1134, 17450), (1260, 15705), (1350, 14658), (1396, 14175), (1575, 12564), (1620, 12215), (1745, 11340), (1890, 10470), (2025, 9772), (2094, 9450), (2100, 9423), (2268, 8725), (2443, 8100), (2700, 7329), (2835, 6980), (3141, 6300), (3150, 6282), (3490, 5670), (3780, 5235), (4050, 4886), (4188, 4725)]