205955820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1277

約数の個数: 216

約数和(自身を含む): 765601200

約数和(自身を除く): 559645380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 931, 980, 1140, 1197, 1229, 1260, 1330, 1470, 1596, 1710, 1764, 1862, 1995, 2205, 2394, 2458, 2660, 2793, 2940, 3420, 3687, 3724, 3990, 4410, 4655, 4788, 4916, 5586, 5985, 6145, 7374, 7980, 8379, 8603, 8820, 9310, 11061, 11172, 11970, 12290, 13965, 14748, 16758, 17206, 18435, 18620, 22122, 23351, 23940, 24580, 25809, 27930, 33516, 34412, 36870, 41895, 43015, 44244, 46702, 51618, 55305, 55860, 60221, 70053, 73740, 77427, 83790, 86030, 93404, 103236, 110610, 116755, 120442, 129045, 140106, 154854, 163457, 167580, 172060, 180663, 210159, 221220, 233510, 240884, 258090, 280212, 301105, 309708, 326914, 350265, 361326, 387135, 420318, 467020, 490371, 516180, 541989, 602210, 653828, 700530, 722652, 774270, 817285, 840636, 903315, 980742, 1050795, 1083978, 1144199, 1204420, 1401060, 1471113, 1548540, 1634570, 1806630, 1961484, 2101590, 2167956, 2288398, 2451855, 2709945, 2942226, 3269140, 3432597, 3613260, 4203180, 4576796, 4903710, 5419890, 5720995, 5884452, 6865194, 7355565, 9807420, 10297791, 10839780, 11441990, 13730388, 14711130, 17162985, 20595582, 22883980, 29422260, 34325970, 41191164, 51488955, 68651940, 102977910, 205955820]

約数ペア:

[(1, 205955820), (2, 102977910), (3, 68651940), (4, 51488955), (5, 41191164), (6, 34325970), (7, 29422260), (9, 22883980), (10, 20595582), (12, 17162985), (14, 14711130), (15, 13730388), (18, 11441990), (19, 10839780), (20, 10297791), (21, 9807420), (28, 7355565), (30, 6865194), (35, 5884452), (36, 5720995), (38, 5419890), (42, 4903710), (45, 4576796), (49, 4203180), (57, 3613260), (60, 3432597), (63, 3269140), (70, 2942226), (76, 2709945), (84, 2451855), (90, 2288398), (95, 2167956), (98, 2101590), (105, 1961484), (114, 1806630), (126, 1634570), (133, 1548540), (140, 1471113), (147, 1401060), (171, 1204420), (180, 1144199), (190, 1083978), (196, 1050795), (210, 980742), (228, 903315), (245, 840636), (252, 817285), (266, 774270), (285, 722652), (294, 700530), (315, 653828), (342, 602210), (380, 541989), (399, 516180), (420, 490371), (441, 467020), (490, 420318), (532, 387135), (570, 361326), (588, 350265), (630, 326914), (665, 309708), (684, 301105), (735, 280212), (798, 258090), (855, 240884), (882, 233510), (931, 221220), (980, 210159), (1140, 180663), (1197, 172060), (1229, 167580), (1260, 163457), (1330, 154854), (1470, 140106), (1596, 129045), (1710, 120442), (1764, 116755), (1862, 110610), (1995, 103236), (2205, 93404), (2394, 86030), (2458, 83790), (2660, 77427), (2793, 73740), (2940, 70053), (3420, 60221), (3687, 55860), (3724, 55305), (3990, 51618), (4410, 46702), (4655, 44244), (4788, 43015), (4916, 41895), (5586, 36870), (5985, 34412), (6145, 33516), (7374, 27930), (7980, 25809), (8379, 24580), (8603, 23940), (8820, 23351), (9310, 22122), (11061, 18620), (11172, 18435), (11970, 17206), (12290, 16758), (13965, 14748)]