28209300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 216

約数和(自身を含む): 100931040

約数和(自身を除く): 72721740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 49, 50, 57, 60, 70, 75, 76, 84, 95, 98, 100, 101, 105, 114, 133, 140, 147, 150, 175, 190, 196, 202, 210, 228, 245, 266, 285, 294, 300, 303, 350, 380, 399, 404, 420, 475, 490, 505, 525, 532, 570, 588, 606, 665, 700, 707, 735, 798, 931, 950, 980, 1010, 1050, 1140, 1212, 1225, 1330, 1414, 1425, 1470, 1515, 1596, 1862, 1900, 1919, 1995, 2020, 2100, 2121, 2450, 2525, 2660, 2793, 2828, 2850, 2940, 3030, 3325, 3535, 3675, 3724, 3838, 3990, 4242, 4655, 4900, 4949, 5050, 5586, 5700, 5757, 6060, 6650, 7070, 7350, 7575, 7676, 7980, 8484, 9310, 9595, 9898, 9975, 10100, 10605, 11172, 11514, 13300, 13433, 13965, 14140, 14700, 14847, 15150, 17675, 18620, 19190, 19796, 19950, 21210, 23028, 23275, 24745, 26866, 27930, 28785, 29694, 30300, 35350, 38380, 39900, 40299, 42420, 46550, 47975, 49490, 53025, 53732, 55860, 57570, 59388, 67165, 69825, 70700, 74235, 80598, 93100, 94031, 95950, 98980, 106050, 115140, 123725, 134330, 139650, 143925, 148470, 161196, 188062, 191900, 201495, 212100, 247450, 268660, 279300, 282093, 287850, 296940, 335825, 371175, 376124, 402990, 470155, 494900, 564186, 575700, 671650, 742350, 805980, 940310, 1007475, 1128372, 1343300, 1410465, 1484700, 1880620, 2014950, 2350775, 2820930, 4029900, 4701550, 5641860, 7052325, 9403100, 14104650, 28209300]

約数ペア:

[(1, 28209300), (2, 14104650), (3, 9403100), (4, 7052325), (5, 5641860), (6, 4701550), (7, 4029900), (10, 2820930), (12, 2350775), (14, 2014950), (15, 1880620), (19, 1484700), (20, 1410465), (21, 1343300), (25, 1128372), (28, 1007475), (30, 940310), (35, 805980), (38, 742350), (42, 671650), (49, 575700), (50, 564186), (57, 494900), (60, 470155), (70, 402990), (75, 376124), (76, 371175), (84, 335825), (95, 296940), (98, 287850), (100, 282093), (101, 279300), (105, 268660), (114, 247450), (133, 212100), (140, 201495), (147, 191900), (150, 188062), (175, 161196), (190, 148470), (196, 143925), (202, 139650), (210, 134330), (228, 123725), (245, 115140), (266, 106050), (285, 98980), (294, 95950), (300, 94031), (303, 93100), (350, 80598), (380, 74235), (399, 70700), (404, 69825), (420, 67165), (475, 59388), (490, 57570), (505, 55860), (525, 53732), (532, 53025), (570, 49490), (588, 47975), (606, 46550), (665, 42420), (700, 40299), (707, 39900), (735, 38380), (798, 35350), (931, 30300), (950, 29694), (980, 28785), (1010, 27930), (1050, 26866), (1140, 24745), (1212, 23275), (1225, 23028), (1330, 21210), (1414, 19950), (1425, 19796), (1470, 19190), (1515, 18620), (1596, 17675), (1862, 15150), (1900, 14847), (1919, 14700), (1995, 14140), (2020, 13965), (2100, 13433), (2121, 13300), (2450, 11514), (2525, 11172), (2660, 10605), (2793, 10100), (2828, 9975), (2850, 9898), (2940, 9595), (3030, 9310), (3325, 8484), (3535, 7980), (3675, 7676), (3724, 7575), (3838, 7350), (3990, 7070), (4242, 6650), (4655, 6060), (4900, 5757), (4949, 5700), (5050, 5586)]