1997698912

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 144

約数和(自身を含む): 4608576000

約数和(自身を除く): 2610877088

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 79, 88, 152, 158, 176, 199, 209, 304, 316, 352, 361, 398, 418, 608, 632, 722, 796, 836, 869, 1264, 1444, 1501, 1592, 1672, 1738, 2189, 2528, 2888, 3002, 3184, 3344, 3476, 3781, 3971, 4378, 5776, 6004, 6368, 6688, 6952, 7562, 7942, 8756, 11552, 12008, 13904, 15124, 15721, 15884, 16511, 17512, 24016, 27808, 28519, 30248, 31442, 31768, 33022, 35024, 41591, 48032, 57038, 60496, 62884, 63536, 66044, 70048, 71839, 83182, 114076, 120992, 125768, 127072, 132088, 143678, 166364, 172931, 228152, 251536, 264176, 287356, 298699, 313709, 332728, 345862, 456304, 503072, 528352, 574712, 597398, 627418, 665456, 691724, 790229, 912608, 1149424, 1194796, 1254836, 1330912, 1383448, 1580458, 2298848, 2389592, 2509672, 2766896, 3160916, 3285689, 4779184, 5019344, 5533792, 5675281, 6321832, 6571378, 9558368, 10038688, 11350562, 12643664, 13142756, 22701124, 25287328, 26285512, 45402248, 52571024, 62428091, 90804496, 105142048, 124856182, 181608992, 249712364, 499424728, 998849456, 1997698912]

約数ペア:

[(1, 1997698912), (2, 998849456), (4, 499424728), (8, 249712364), (11, 181608992), (16, 124856182), (19, 105142048), (22, 90804496), (32, 62428091), (38, 52571024), (44, 45402248), (76, 26285512), (79, 25287328), (88, 22701124), (152, 13142756), (158, 12643664), (176, 11350562), (199, 10038688), (209, 9558368), (304, 6571378), (316, 6321832), (352, 5675281), (361, 5533792), (398, 5019344), (418, 4779184), (608, 3285689), (632, 3160916), (722, 2766896), (796, 2509672), (836, 2389592), (869, 2298848), (1264, 1580458), (1444, 1383448), (1501, 1330912), (1592, 1254836), (1672, 1194796), (1738, 1149424), (2189, 912608), (2528, 790229), (2888, 691724), (3002, 665456), (3184, 627418), (3344, 597398), (3476, 574712), (3781, 528352), (3971, 503072), (4378, 456304), (5776, 345862), (6004, 332728), (6368, 313709), (6688, 298699), (6952, 287356), (7562, 264176), (7942, 251536), (8756, 228152), (11552, 172931), (12008, 166364), (13904, 143678), (15124, 132088), (15721, 127072), (15884, 125768), (16511, 120992), (17512, 114076), (24016, 83182), (27808, 71839), (28519, 70048), (30248, 66044), (31442, 63536), (31768, 62884), (33022, 60496), (35024, 57038), (41591, 48032)]