1818533780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1879}}^1$

素因数の和:2149

約数の個数: 96

約数和(自身を含む): 4527882240

約数和(自身を除く): 2709348460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 223, 310, 434, 446, 620, 868, 892, 1085, 1115, 1561, 1879, 2170, 2230, 3122, 3758, 4340, 4460, 6244, 6913, 7516, 7805, 9395, 13153, 13826, 15610, 18790, 26306, 27652, 31220, 34565, 37580, 48391, 52612, 58249, 65765, 69130, 96782, 116498, 131530, 138260, 193564, 232996, 241955, 263060, 291245, 407743, 419017, 483910, 582490, 815486, 838034, 967820, 1164980, 1630972, 1676068, 2038715, 2095085, 2933119, 4077430, 4190170, 5866238, 8154860, 8380340, 11732476, 12989527, 14665595, 25979054, 29331190, 51958108, 58662380, 64947635, 90926689, 129895270, 181853378, 259790540, 363706756, 454633445, 909266890, 1818533780]

約数ペア:

[(1, 1818533780), (2, 909266890), (4, 454633445), (5, 363706756), (7, 259790540), (10, 181853378), (14, 129895270), (20, 90926689), (28, 64947635), (31, 58662380), (35, 51958108), (62, 29331190), (70, 25979054), (124, 14665595), (140, 12989527), (155, 11732476), (217, 8380340), (223, 8154860), (310, 5866238), (434, 4190170), (446, 4077430), (620, 2933119), (868, 2095085), (892, 2038715), (1085, 1676068), (1115, 1630972), (1561, 1164980), (1879, 967820), (2170, 838034), (2230, 815486), (3122, 582490), (3758, 483910), (4340, 419017), (4460, 407743), (6244, 291245), (6913, 263060), (7516, 241955), (7805, 232996), (9395, 193564), (13153, 138260), (13826, 131530), (15610, 116498), (18790, 96782), (26306, 69130), (27652, 65765), (31220, 58249), (34565, 52612), (37580, 48391)]