197479380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20443}}^1$

素因数の和:20485

約数の個数: 96

約数和(自身を含む): 659441664

約数和(自身を除く): 461962284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 20443, 40886, 61329, 81772, 102215, 122658, 143101, 204430, 245316, 286202, 306645, 408860, 429303, 470189, 572404, 613290, 715505, 858606, 940378, 1226580, 1410567, 1431010, 1717212, 1880756, 2146515, 2350945, 2821134, 2862020, 3291323, 4293030, 4701890, 5642268, 6582646, 7052835, 8586060, 9403780, 9873969, 13165292, 14105670, 16456615, 19747938, 28211340, 32913230, 39495876, 49369845, 65826460, 98739690, 197479380]

約数ペア:

[(1, 197479380), (2, 98739690), (3, 65826460), (4, 49369845), (5, 39495876), (6, 32913230), (7, 28211340), (10, 19747938), (12, 16456615), (14, 14105670), (15, 13165292), (20, 9873969), (21, 9403780), (23, 8586060), (28, 7052835), (30, 6582646), (35, 5642268), (42, 4701890), (46, 4293030), (60, 3291323), (69, 2862020), (70, 2821134), (84, 2350945), (92, 2146515), (105, 1880756), (115, 1717212), (138, 1431010), (140, 1410567), (161, 1226580), (210, 940378), (230, 858606), (276, 715505), (322, 613290), (345, 572404), (420, 470189), (460, 429303), (483, 408860), (644, 306645), (690, 286202), (805, 245316), (966, 204430), (1380, 143101), (1610, 122658), (1932, 102215), (2415, 81772), (3220, 61329), (4830, 40886), (9660, 20443)]