199905804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2273}}^1$

素因数の和:2639

約数の個数: 72

約数和(自身を含む): 579415200

約数和(自身を除く): 379509396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 349, 698, 1047, 1396, 2094, 2273, 2443, 3141, 4188, 4546, 4886, 6282, 6819, 7329, 9092, 9772, 12564, 13638, 14658, 15911, 20457, 21987, 27276, 29316, 31822, 40914, 43974, 47733, 63644, 81828, 87948, 95466, 143199, 190932, 286398, 572796, 793277, 1586554, 2379831, 3173108, 4759662, 5552939, 7139493, 9519324, 11105878, 14278986, 16658817, 22211756, 28557972, 33317634, 49976451, 66635268, 99952902, 199905804]

約数ペア:

[(1, 199905804), (2, 99952902), (3, 66635268), (4, 49976451), (6, 33317634), (7, 28557972), (9, 22211756), (12, 16658817), (14, 14278986), (18, 11105878), (21, 9519324), (28, 7139493), (36, 5552939), (42, 4759662), (63, 3173108), (84, 2379831), (126, 1586554), (252, 793277), (349, 572796), (698, 286398), (1047, 190932), (1396, 143199), (2094, 95466), (2273, 87948), (2443, 81828), (3141, 63644), (4188, 47733), (4546, 43974), (4886, 40914), (6282, 31822), (6819, 29316), (7329, 27276), (9092, 21987), (9772, 20457), (12564, 15911), (13638, 14658)]