208897530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 128

約数和(自身を含む): 558544896

約数和(自身を除く): 349647366

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 51, 62, 73, 85, 93, 102, 146, 155, 170, 181, 186, 219, 255, 310, 362, 365, 438, 465, 510, 527, 543, 730, 905, 930, 1054, 1086, 1095, 1241, 1581, 1810, 2190, 2263, 2482, 2635, 2715, 3077, 3162, 3723, 4526, 5270, 5430, 5611, 6154, 6205, 6789, 7446, 7905, 9231, 11222, 11315, 12410, 13213, 13578, 15385, 15810, 16833, 18462, 18615, 22630, 26426, 28055, 30770, 33666, 33945, 37230, 38471, 39639, 46155, 56110, 66065, 67890, 76942, 79278, 84165, 92310, 95387, 115413, 132130, 168330, 190774, 192355, 198195, 224621, 230826, 286161, 384710, 396390, 409603, 449242, 476935, 572322, 577065, 673863, 819206, 953870, 1123105, 1154130, 1228809, 1347726, 1430805, 2048015, 2246210, 2457618, 2861610, 3369315, 4096030, 6144045, 6738630, 6963251, 12288090, 13926502, 20889753, 34816255, 41779506, 69632510, 104448765, 208897530]

約数ペア:

[(1, 208897530), (2, 104448765), (3, 69632510), (5, 41779506), (6, 34816255), (10, 20889753), (15, 13926502), (17, 12288090), (30, 6963251), (31, 6738630), (34, 6144045), (51, 4096030), (62, 3369315), (73, 2861610), (85, 2457618), (93, 2246210), (102, 2048015), (146, 1430805), (155, 1347726), (170, 1228809), (181, 1154130), (186, 1123105), (219, 953870), (255, 819206), (310, 673863), (362, 577065), (365, 572322), (438, 476935), (465, 449242), (510, 409603), (527, 396390), (543, 384710), (730, 286161), (905, 230826), (930, 224621), (1054, 198195), (1086, 192355), (1095, 190774), (1241, 168330), (1581, 132130), (1810, 115413), (2190, 95387), (2263, 92310), (2482, 84165), (2635, 79278), (2715, 76942), (3077, 67890), (3162, 66065), (3723, 56110), (4526, 46155), (5270, 39639), (5430, 38471), (5611, 37230), (6154, 33945), (6205, 33666), (6789, 30770), (7446, 28055), (7905, 26426), (9231, 22630), (11222, 18615), (11315, 18462), (12410, 16833), (13213, 15810), (13578, 15385)]