127989700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 314979840

約数和(自身を除く): 186990140

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 41, 50, 53, 62, 76, 82, 95, 100, 106, 124, 155, 164, 190, 205, 212, 265, 310, 380, 410, 475, 530, 589, 620, 775, 779, 820, 950, 1007, 1025, 1060, 1178, 1271, 1325, 1550, 1558, 1643, 1900, 2014, 2050, 2173, 2356, 2542, 2650, 2945, 3100, 3116, 3286, 3895, 4028, 4100, 4346, 5035, 5084, 5300, 5890, 6355, 6572, 7790, 8215, 8692, 10070, 10865, 11780, 12710, 14725, 15580, 16430, 19475, 20140, 21730, 24149, 25175, 25420, 29450, 31217, 31775, 32860, 38950, 41075, 41287, 43460, 48298, 50350, 54325, 58900, 62434, 63550, 67363, 77900, 82150, 82574, 96596, 100700, 108650, 120745, 124868, 127100, 134726, 156085, 164300, 165148, 206435, 217300, 241490, 269452, 312170, 336815, 412870, 482980, 603725, 624340, 673630, 780425, 825740, 1032175, 1207450, 1279897, 1347260, 1560850, 1684075, 2064350, 2414900, 2559794, 3121700, 3368150, 4128700, 5119588, 6399485, 6736300, 12798970, 25597940, 31997425, 63994850, 127989700]

約数ペア:

[(1, 127989700), (2, 63994850), (4, 31997425), (5, 25597940), (10, 12798970), (19, 6736300), (20, 6399485), (25, 5119588), (31, 4128700), (38, 3368150), (41, 3121700), (50, 2559794), (53, 2414900), (62, 2064350), (76, 1684075), (82, 1560850), (95, 1347260), (100, 1279897), (106, 1207450), (124, 1032175), (155, 825740), (164, 780425), (190, 673630), (205, 624340), (212, 603725), (265, 482980), (310, 412870), (380, 336815), (410, 312170), (475, 269452), (530, 241490), (589, 217300), (620, 206435), (775, 165148), (779, 164300), (820, 156085), (950, 134726), (1007, 127100), (1025, 124868), (1060, 120745), (1178, 108650), (1271, 100700), (1325, 96596), (1550, 82574), (1558, 82150), (1643, 77900), (1900, 67363), (2014, 63550), (2050, 62434), (2173, 58900), (2356, 54325), (2542, 50350), (2650, 48298), (2945, 43460), (3100, 41287), (3116, 41075), (3286, 38950), (3895, 32860), (4028, 31775), (4100, 31217), (4346, 29450), (5035, 25420), (5084, 25175), (5300, 24149), (5890, 21730), (6355, 20140), (6572, 19475), (7790, 16430), (8215, 15580), (8692, 14725), (10070, 12710), (10865, 11780)]