1278889430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 192

約数和(自身を含む): 3179917440

約数和(自身を除く): 1901028010

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 19, 26, 34, 35, 38, 65, 70, 85, 91, 95, 119, 130, 133, 170, 182, 190, 221, 229, 238, 247, 266, 323, 361, 442, 455, 458, 494, 595, 646, 665, 722, 910, 1105, 1145, 1190, 1235, 1330, 1547, 1603, 1615, 1729, 1805, 2210, 2261, 2290, 2470, 2527, 2977, 3094, 3206, 3230, 3458, 3610, 3893, 4199, 4351, 4522, 4693, 5054, 5954, 6137, 7735, 7786, 8015, 8398, 8645, 8702, 9386, 11305, 12274, 12635, 14885, 15470, 16030, 17290, 19465, 20839, 20995, 21755, 22610, 23465, 25270, 27251, 29393, 29770, 30457, 30685, 32851, 38930, 41678, 41990, 42959, 43510, 46930, 50609, 54502, 56563, 58786, 60914, 61370, 65702, 73967, 79781, 82669, 85918, 101218, 104195, 113126, 136255, 146965, 147934, 152285, 159562, 164255, 165338, 208390, 214795, 253045, 272510, 282815, 293930, 304570, 328510, 354263, 369835, 395941, 398905, 413345, 429590, 506090, 517769, 558467, 565630, 578683, 708526, 739670, 791882, 797810, 826690, 961571, 1035538, 1074697, 1116934, 1157366, 1405373, 1771315, 1923142, 1979705, 2149394, 2588845, 2792335, 2810746, 2893415, 3542630, 3959410, 4807855, 5177690, 5373485, 5584670, 5786830, 6730997, 7026865, 7522879, 9615710, 9837611, 10746970, 13461994, 14053730, 15045758, 18269849, 19675222, 33654985, 36539698, 37614395, 49188055, 67309970, 75228790, 91349245, 98376110, 127888943, 182698490, 255777886, 639444715, 1278889430]

約数ペア:

[(1, 1278889430), (2, 639444715), (5, 255777886), (7, 182698490), (10, 127888943), (13, 98376110), (14, 91349245), (17, 75228790), (19, 67309970), (26, 49188055), (34, 37614395), (35, 36539698), (38, 33654985), (65, 19675222), (70, 18269849), (85, 15045758), (91, 14053730), (95, 13461994), (119, 10746970), (130, 9837611), (133, 9615710), (170, 7522879), (182, 7026865), (190, 6730997), (221, 5786830), (229, 5584670), (238, 5373485), (247, 5177690), (266, 4807855), (323, 3959410), (361, 3542630), (442, 2893415), (455, 2810746), (458, 2792335), (494, 2588845), (595, 2149394), (646, 1979705), (665, 1923142), (722, 1771315), (910, 1405373), (1105, 1157366), (1145, 1116934), (1190, 1074697), (1235, 1035538), (1330, 961571), (1547, 826690), (1603, 797810), (1615, 791882), (1729, 739670), (1805, 708526), (2210, 578683), (2261, 565630), (2290, 558467), (2470, 517769), (2527, 506090), (2977, 429590), (3094, 413345), (3206, 398905), (3230, 395941), (3458, 369835), (3610, 354263), (3893, 328510), (4199, 304570), (4351, 293930), (4522, 282815), (4693, 272510), (5054, 253045), (5954, 214795), (6137, 208390), (7735, 165338), (7786, 164255), (8015, 159562), (8398, 152285), (8645, 147934), (8702, 146965), (9386, 136255), (11305, 113126), (12274, 104195), (12635, 101218), (14885, 85918), (15470, 82669), (16030, 79781), (17290, 73967), (19465, 65702), (20839, 61370), (20995, 60914), (21755, 58786), (22610, 56563), (23465, 54502), (25270, 50609), (27251, 46930), (29393, 43510), (29770, 42959), (30457, 41990), (30685, 41678), (32851, 38930)]