221890360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{7121}}^1$

素因数の和:7192

約数の個数: 64

約数和(自身を含む): 538423200

約数和(自身を除く): 316532840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 6232, 7121, 7790, 14242, 15580, 28484, 31160, 35605, 56968, 71210, 135299, 142420, 270598, 284840, 291961, 541196, 583922, 676495, 1082392, 1167844, 1352990, 1459805, 2335688, 2705980, 2919610, 5411960, 5547259, 5839220, 11094518, 11678440, 22189036, 27736295, 44378072, 55472590, 110945180, 221890360]

約数ペア:

[(1, 221890360), (2, 110945180), (4, 55472590), (5, 44378072), (8, 27736295), (10, 22189036), (19, 11678440), (20, 11094518), (38, 5839220), (40, 5547259), (41, 5411960), (76, 2919610), (82, 2705980), (95, 2335688), (152, 1459805), (164, 1352990), (190, 1167844), (205, 1082392), (328, 676495), (380, 583922), (410, 541196), (760, 291961), (779, 284840), (820, 270598), (1558, 142420), (1640, 135299), (3116, 71210), (3895, 56968), (6232, 35605), (7121, 31160), (7790, 28484), (14242, 15580)]