210291900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7703}}^1$

素因数の和:7740

約数の個数: 144

約数和(自身を含む): 748952064

約数和(自身を除く): 538660164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 780, 910, 975, 1050, 1092, 1300, 1365, 1820, 1950, 2100, 2275, 2730, 3900, 4550, 5460, 6825, 7703, 9100, 13650, 15406, 23109, 27300, 30812, 38515, 46218, 53921, 77030, 92436, 100139, 107842, 115545, 154060, 161763, 192575, 200278, 215684, 231090, 269605, 300417, 323526, 385150, 400556, 462180, 500695, 539210, 577725, 600834, 647052, 700973, 770300, 808815, 1001390, 1078420, 1155450, 1201668, 1348025, 1401946, 1502085, 1617630, 2002780, 2102919, 2310900, 2503475, 2696050, 2803892, 3004170, 3235260, 3504865, 4044075, 4205838, 5006950, 5392100, 6008340, 7009730, 7510425, 8088150, 8411676, 10013900, 10514595, 14019460, 15020850, 16176300, 17524325, 21029190, 30041700, 35048650, 42058380, 52572975, 70097300, 105145950, 210291900]

約数ペア:

[(1, 210291900), (2, 105145950), (3, 70097300), (4, 52572975), (5, 42058380), (6, 35048650), (7, 30041700), (10, 21029190), (12, 17524325), (13, 16176300), (14, 15020850), (15, 14019460), (20, 10514595), (21, 10013900), (25, 8411676), (26, 8088150), (28, 7510425), (30, 7009730), (35, 6008340), (39, 5392100), (42, 5006950), (50, 4205838), (52, 4044075), (60, 3504865), (65, 3235260), (70, 3004170), (75, 2803892), (78, 2696050), (84, 2503475), (91, 2310900), (100, 2102919), (105, 2002780), (130, 1617630), (140, 1502085), (150, 1401946), (156, 1348025), (175, 1201668), (182, 1155450), (195, 1078420), (210, 1001390), (260, 808815), (273, 770300), (300, 700973), (325, 647052), (350, 600834), (364, 577725), (390, 539210), (420, 500695), (455, 462180), (525, 400556), (546, 385150), (650, 323526), (700, 300417), (780, 269605), (910, 231090), (975, 215684), (1050, 200278), (1092, 192575), (1300, 161763), (1365, 154060), (1820, 115545), (1950, 107842), (2100, 100139), (2275, 92436), (2730, 77030), (3900, 53921), (4550, 46218), (5460, 38515), (6825, 30812), (7703, 27300), (9100, 23109), (13650, 15406)]