78685750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 181149696

約数和(自身を除く): 102463946

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 31, 50, 55, 62, 65, 71, 110, 125, 130, 142, 143, 155, 250, 275, 286, 310, 325, 341, 355, 403, 550, 650, 682, 710, 715, 775, 781, 806, 923, 1375, 1430, 1550, 1562, 1625, 1705, 1775, 1846, 2015, 2201, 2750, 3250, 3410, 3550, 3575, 3875, 3905, 4030, 4402, 4433, 4615, 7150, 7750, 7810, 8525, 8866, 8875, 9230, 10075, 10153, 11005, 17050, 17750, 17875, 19525, 20150, 20306, 22010, 22165, 23075, 24211, 28613, 35750, 39050, 42625, 44330, 46150, 48422, 50375, 50765, 55025, 57226, 85250, 97625, 100750, 101530, 110050, 110825, 115375, 121055, 143065, 195250, 221650, 230750, 242110, 253825, 275125, 286130, 314743, 507650, 550250, 554125, 605275, 629486, 715325, 1108250, 1210550, 1269125, 1430650, 1573715, 2538250, 3026375, 3147430, 3576625, 6052750, 7153250, 7868575, 15737150, 39342875, 78685750]

約数ペア:

[(1, 78685750), (2, 39342875), (5, 15737150), (10, 7868575), (11, 7153250), (13, 6052750), (22, 3576625), (25, 3147430), (26, 3026375), (31, 2538250), (50, 1573715), (55, 1430650), (62, 1269125), (65, 1210550), (71, 1108250), (110, 715325), (125, 629486), (130, 605275), (142, 554125), (143, 550250), (155, 507650), (250, 314743), (275, 286130), (286, 275125), (310, 253825), (325, 242110), (341, 230750), (355, 221650), (403, 195250), (550, 143065), (650, 121055), (682, 115375), (710, 110825), (715, 110050), (775, 101530), (781, 100750), (806, 97625), (923, 85250), (1375, 57226), (1430, 55025), (1550, 50765), (1562, 50375), (1625, 48422), (1705, 46150), (1775, 44330), (1846, 42625), (2015, 39050), (2201, 35750), (2750, 28613), (3250, 24211), (3410, 23075), (3550, 22165), (3575, 22010), (3875, 20306), (3905, 20150), (4030, 19525), (4402, 17875), (4433, 17750), (4615, 17050), (7150, 11005), (7750, 10153), (7810, 10075), (8525, 9230), (8866, 8875)]