229555720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 571536000

約数和(自身を除く): 341980280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 53, 76, 82, 95, 106, 139, 152, 164, 190, 205, 212, 265, 278, 328, 380, 410, 424, 530, 556, 695, 760, 779, 820, 1007, 1060, 1112, 1390, 1558, 1640, 2014, 2120, 2173, 2641, 2780, 3116, 3895, 4028, 4346, 5035, 5282, 5560, 5699, 6232, 7367, 7790, 8056, 8692, 10070, 10564, 10865, 11398, 13205, 14734, 15580, 17384, 20140, 21128, 21730, 22796, 26410, 28495, 29468, 31160, 36835, 40280, 41287, 43460, 45592, 52820, 56990, 58936, 73670, 82574, 86920, 105640, 108281, 113980, 139973, 147340, 165148, 206435, 216562, 227960, 279946, 294680, 302047, 330296, 412870, 433124, 541405, 559892, 604094, 699865, 825740, 866248, 1082810, 1119784, 1208188, 1399730, 1510235, 1651480, 2165620, 2416376, 2799460, 3020470, 4331240, 5598920, 5738893, 6040940, 11477786, 12081880, 22955572, 28694465, 45911144, 57388930, 114777860, 229555720]

約数ペア:

[(1, 229555720), (2, 114777860), (4, 57388930), (5, 45911144), (8, 28694465), (10, 22955572), (19, 12081880), (20, 11477786), (38, 6040940), (40, 5738893), (41, 5598920), (53, 4331240), (76, 3020470), (82, 2799460), (95, 2416376), (106, 2165620), (139, 1651480), (152, 1510235), (164, 1399730), (190, 1208188), (205, 1119784), (212, 1082810), (265, 866248), (278, 825740), (328, 699865), (380, 604094), (410, 559892), (424, 541405), (530, 433124), (556, 412870), (695, 330296), (760, 302047), (779, 294680), (820, 279946), (1007, 227960), (1060, 216562), (1112, 206435), (1390, 165148), (1558, 147340), (1640, 139973), (2014, 113980), (2120, 108281), (2173, 105640), (2641, 86920), (2780, 82574), (3116, 73670), (3895, 58936), (4028, 56990), (4346, 52820), (5035, 45592), (5282, 43460), (5560, 41287), (5699, 40280), (6232, 36835), (7367, 31160), (7790, 29468), (8056, 28495), (8692, 26410), (10070, 22796), (10564, 21730), (10865, 21128), (11398, 20140), (13205, 17384), (14734, 15580)]