638866410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:469

約数の個数: 192

約数和(自身を含む): 1945689984

約数和(自身を除く): 1306823574

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 101, 105, 130, 147, 182, 195, 202, 210, 245, 273, 294, 303, 331, 390, 455, 490, 505, 546, 606, 637, 662, 707, 735, 910, 993, 1010, 1274, 1313, 1365, 1414, 1470, 1515, 1655, 1911, 1986, 2121, 2317, 2626, 2730, 3030, 3185, 3310, 3535, 3822, 3939, 4242, 4303, 4634, 4949, 4965, 6370, 6565, 6951, 7070, 7878, 8606, 9191, 9555, 9898, 9930, 10605, 11585, 12909, 13130, 13902, 14847, 16219, 18382, 19110, 19695, 21210, 21515, 23170, 24745, 25818, 27573, 29694, 30121, 32438, 33431, 34755, 39390, 43030, 45955, 48657, 49490, 55146, 60242, 64337, 64545, 66862, 69510, 74235, 81095, 90363, 91910, 97314, 100293, 128674, 129090, 137865, 148470, 150605, 162190, 167155, 180726, 193011, 200586, 210847, 234017, 243285, 275730, 301210, 321685, 334310, 386022, 421694, 434603, 451815, 468034, 486570, 501465, 632541, 643370, 702051, 869206, 903630, 965055, 1002930, 1054235, 1170085, 1265082, 1303809, 1404102, 1638119, 1930110, 2108470, 2173015, 2340170, 2607618, 3042221, 3162705, 3276238, 3510255, 4346030, 4914357, 6084442, 6325410, 6519045, 7020510, 8190595, 9126663, 9828714, 13038090, 15211105, 16381190, 18253326, 21295547, 24571785, 30422210, 42591094, 45633315, 49143570, 63886641, 91266630, 106477735, 127773282, 212955470, 319433205, 638866410]

約数ペア:

[(1, 638866410), (2, 319433205), (3, 212955470), (5, 127773282), (6, 106477735), (7, 91266630), (10, 63886641), (13, 49143570), (14, 45633315), (15, 42591094), (21, 30422210), (26, 24571785), (30, 21295547), (35, 18253326), (39, 16381190), (42, 15211105), (49, 13038090), (65, 9828714), (70, 9126663), (78, 8190595), (91, 7020510), (98, 6519045), (101, 6325410), (105, 6084442), (130, 4914357), (147, 4346030), (182, 3510255), (195, 3276238), (202, 3162705), (210, 3042221), (245, 2607618), (273, 2340170), (294, 2173015), (303, 2108470), (331, 1930110), (390, 1638119), (455, 1404102), (490, 1303809), (505, 1265082), (546, 1170085), (606, 1054235), (637, 1002930), (662, 965055), (707, 903630), (735, 869206), (910, 702051), (993, 643370), (1010, 632541), (1274, 501465), (1313, 486570), (1365, 468034), (1414, 451815), (1470, 434603), (1515, 421694), (1655, 386022), (1911, 334310), (1986, 321685), (2121, 301210), (2317, 275730), (2626, 243285), (2730, 234017), (3030, 210847), (3185, 200586), (3310, 193011), (3535, 180726), (3822, 167155), (3939, 162190), (4242, 150605), (4303, 148470), (4634, 137865), (4949, 129090), (4965, 128674), (6370, 100293), (6565, 97314), (6951, 91910), (7070, 90363), (7878, 81095), (8606, 74235), (9191, 69510), (9555, 66862), (9898, 64545), (9930, 64337), (10605, 60242), (11585, 55146), (12909, 49490), (13130, 48657), (13902, 45955), (14847, 43030), (16219, 39390), (18382, 34755), (19110, 33431), (19695, 32438), (21210, 30121), (21515, 29694), (23170, 27573), (24745, 25818)]