16451880340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{66883}}^1$

素因数の和:67157

約数の個数: 72

約数和(自身を含む): 40350314592

約数和(自身を除く): 23898434252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 251, 490, 502, 980, 1004, 1255, 1757, 2510, 3514, 5020, 7028, 8785, 12299, 17570, 24598, 35140, 49196, 61495, 66883, 122990, 133766, 245980, 267532, 334415, 468181, 668830, 936362, 1337660, 1872724, 2340905, 3277267, 4681810, 6554534, 9363620, 13109068, 16386335, 16787633, 32772670, 33575266, 65545340, 67150532, 83938165, 117513431, 167876330, 235026862, 335752660, 470053724, 587567155, 822594017, 1175134310, 1645188034, 2350268620, 3290376068, 4112970085, 8225940170, 16451880340]

約数ペア:

[(1, 16451880340), (2, 8225940170), (4, 4112970085), (5, 3290376068), (7, 2350268620), (10, 1645188034), (14, 1175134310), (20, 822594017), (28, 587567155), (35, 470053724), (49, 335752660), (70, 235026862), (98, 167876330), (140, 117513431), (196, 83938165), (245, 67150532), (251, 65545340), (490, 33575266), (502, 32772670), (980, 16787633), (1004, 16386335), (1255, 13109068), (1757, 9363620), (2510, 6554534), (3514, 4681810), (5020, 3277267), (7028, 2340905), (8785, 1872724), (12299, 1337660), (17570, 936362), (24598, 668830), (35140, 468181), (49196, 334415), (61495, 267532), (66883, 245980), (122990, 133766)]