1497442940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{769}}^1\times {\mathrm{1987}}^1$

素因数の和:2779

約数の個数: 72

約数和(自身を含む): 3664639440

約数和(自身を除く): 2167196500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 769, 980, 1538, 1987, 3076, 3845, 3974, 5383, 7690, 7948, 9935, 10766, 13909, 15380, 19870, 21532, 26915, 27818, 37681, 39740, 53830, 55636, 69545, 75362, 97363, 107660, 139090, 150724, 188405, 194726, 278180, 376810, 389452, 486815, 753620, 973630, 1528003, 1947260, 3056006, 6112012, 7640015, 10696021, 15280030, 21392042, 30560060, 42784084, 53480105, 74872147, 106960210, 149744294, 213920420, 299488588, 374360735, 748721470, 1497442940]

約数ペア:

[(1, 1497442940), (2, 748721470), (4, 374360735), (5, 299488588), (7, 213920420), (10, 149744294), (14, 106960210), (20, 74872147), (28, 53480105), (35, 42784084), (49, 30560060), (70, 21392042), (98, 15280030), (140, 10696021), (196, 7640015), (245, 6112012), (490, 3056006), (769, 1947260), (980, 1528003), (1538, 973630), (1987, 753620), (3076, 486815), (3845, 389452), (3974, 376810), (5383, 278180), (7690, 194726), (7948, 188405), (9935, 150724), (10766, 139090), (13909, 107660), (15380, 97363), (19870, 75362), (21532, 69545), (26915, 55636), (27818, 53830), (37681, 39740)]