256445136430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{845879}}^1$

素因数の和:846025

約数の個数: 64

約数和(自身を含む): 543745198080

約数和(自身を除く): 287300061650

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 71, 122, 142, 305, 355, 427, 497, 610, 710, 854, 994, 2135, 2485, 4270, 4331, 4970, 8662, 21655, 30317, 43310, 60634, 151585, 303170, 845879, 1691758, 4229395, 5921153, 8458790, 11842306, 29605765, 51598619, 59211530, 60057409, 103197238, 120114818, 257993095, 300287045, 361190333, 420401863, 515986190, 600574090, 722380666, 840803726, 1805951665, 2102009315, 3611903330, 3663501949, 4204018630, 7327003898, 18317509745, 25644513643, 36635019490, 51289027286, 128222568215, 256445136430]

約数ペア:

[(1, 256445136430), (2, 128222568215), (5, 51289027286), (7, 36635019490), (10, 25644513643), (14, 18317509745), (35, 7327003898), (61, 4204018630), (70, 3663501949), (71, 3611903330), (122, 2102009315), (142, 1805951665), (305, 840803726), (355, 722380666), (427, 600574090), (497, 515986190), (610, 420401863), (710, 361190333), (854, 300287045), (994, 257993095), (2135, 120114818), (2485, 103197238), (4270, 60057409), (4331, 59211530), (4970, 51598619), (8662, 29605765), (21655, 11842306), (30317, 8458790), (43310, 5921153), (60634, 4229395), (151585, 1691758), (303170, 845879)]