221135460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:534

約数の個数: 192

約数和(自身を含む): 771531264

約数和(自身を除く): 550395804

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 101, 105, 130, 140, 156, 182, 195, 202, 210, 260, 273, 303, 364, 390, 401, 404, 420, 455, 505, 546, 606, 707, 780, 802, 910, 1010, 1092, 1203, 1212, 1313, 1365, 1414, 1515, 1604, 1820, 2005, 2020, 2121, 2406, 2626, 2730, 2807, 2828, 3030, 3535, 3939, 4010, 4242, 4812, 5213, 5252, 5460, 5614, 6015, 6060, 6565, 7070, 7878, 8020, 8421, 8484, 9191, 10426, 10605, 11228, 12030, 13130, 14035, 14140, 15639, 15756, 16842, 18382, 19695, 20852, 21210, 24060, 26065, 26260, 27573, 28070, 31278, 33684, 36491, 36764, 39390, 40501, 42105, 42420, 45955, 52130, 55146, 56140, 62556, 72982, 78195, 78780, 81002, 84210, 91910, 104260, 109473, 110292, 121503, 137865, 145964, 156390, 162004, 168420, 182455, 183820, 202505, 218946, 243006, 275730, 283507, 312780, 364910, 405010, 437892, 486012, 526513, 547365, 551460, 567014, 607515, 729820, 810020, 850521, 1053026, 1094730, 1134028, 1215030, 1417535, 1579539, 1701042, 2106052, 2189460, 2430060, 2632565, 2835070, 3159078, 3402084, 3685591, 4252605, 5265130, 5670140, 6318156, 7371182, 7897695, 8505210, 10530260, 11056773, 14742364, 15795390, 17010420, 18427955, 22113546, 31590780, 36855910, 44227092, 55283865, 73711820, 110567730, 221135460]

約数ペア:

[(1, 221135460), (2, 110567730), (3, 73711820), (4, 55283865), (5, 44227092), (6, 36855910), (7, 31590780), (10, 22113546), (12, 18427955), (13, 17010420), (14, 15795390), (15, 14742364), (20, 11056773), (21, 10530260), (26, 8505210), (28, 7897695), (30, 7371182), (35, 6318156), (39, 5670140), (42, 5265130), (52, 4252605), (60, 3685591), (65, 3402084), (70, 3159078), (78, 2835070), (84, 2632565), (91, 2430060), (101, 2189460), (105, 2106052), (130, 1701042), (140, 1579539), (156, 1417535), (182, 1215030), (195, 1134028), (202, 1094730), (210, 1053026), (260, 850521), (273, 810020), (303, 729820), (364, 607515), (390, 567014), (401, 551460), (404, 547365), (420, 526513), (455, 486012), (505, 437892), (546, 405010), (606, 364910), (707, 312780), (780, 283507), (802, 275730), (910, 243006), (1010, 218946), (1092, 202505), (1203, 183820), (1212, 182455), (1313, 168420), (1365, 162004), (1414, 156390), (1515, 145964), (1604, 137865), (1820, 121503), (2005, 110292), (2020, 109473), (2121, 104260), (2406, 91910), (2626, 84210), (2730, 81002), (2807, 78780), (2828, 78195), (3030, 72982), (3535, 62556), (3939, 56140), (4010, 55146), (4242, 52130), (4812, 45955), (5213, 42420), (5252, 42105), (5460, 40501), (5614, 39390), (6015, 36764), (6060, 36491), (6565, 33684), (7070, 31278), (7878, 28070), (8020, 27573), (8421, 26260), (8484, 26065), (9191, 24060), (10426, 21210), (10605, 20852), (11228, 19695), (12030, 18382), (13130, 16842), (14035, 15756), (14140, 15639)]