1311590900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{8317}}^1$

素因数の和:8433

約数の個数: 72

約数和(自身を含む): 3032410080

約数和(自身を除く): 1720819180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 95, 100, 166, 190, 332, 380, 415, 475, 830, 950, 1577, 1660, 1900, 2075, 3154, 4150, 6308, 7885, 8300, 8317, 15770, 16634, 31540, 33268, 39425, 41585, 78850, 83170, 157700, 158023, 166340, 207925, 316046, 415850, 632092, 690311, 790115, 831700, 1380622, 1580230, 2761244, 3160460, 3451555, 3950575, 6903110, 7901150, 13115909, 13806220, 15802300, 17257775, 26231818, 34515550, 52463636, 65579545, 69031100, 131159090, 262318180, 327897725, 655795450, 1311590900]

約数ペア:

[(1, 1311590900), (2, 655795450), (4, 327897725), (5, 262318180), (10, 131159090), (19, 69031100), (20, 65579545), (25, 52463636), (38, 34515550), (50, 26231818), (76, 17257775), (83, 15802300), (95, 13806220), (100, 13115909), (166, 7901150), (190, 6903110), (332, 3950575), (380, 3451555), (415, 3160460), (475, 2761244), (830, 1580230), (950, 1380622), (1577, 831700), (1660, 790115), (1900, 690311), (2075, 632092), (3154, 415850), (4150, 316046), (6308, 207925), (7885, 166340), (8300, 158023), (8317, 157700), (15770, 83170), (16634, 78850), (31540, 41585), (33268, 39425)]