124472740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 306384120

約数和(自身を除く): 181911380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 490, 628, 785, 809, 980, 1099, 1570, 1618, 2198, 3140, 3236, 4045, 4396, 5495, 5663, 7693, 8090, 10990, 11326, 15386, 16180, 21980, 22652, 28315, 30772, 38465, 39641, 56630, 76930, 79282, 113260, 127013, 153860, 158564, 198205, 254026, 396410, 508052, 635065, 792820, 889091, 1270130, 1778182, 2540260, 3556364, 4445455, 6223637, 8890910, 12447274, 17781820, 24894548, 31118185, 62236370, 124472740]

約数ペア:

[(1, 124472740), (2, 62236370), (4, 31118185), (5, 24894548), (7, 17781820), (10, 12447274), (14, 8890910), (20, 6223637), (28, 4445455), (35, 3556364), (49, 2540260), (70, 1778182), (98, 1270130), (140, 889091), (157, 792820), (196, 635065), (245, 508052), (314, 396410), (490, 254026), (628, 198205), (785, 158564), (809, 153860), (980, 127013), (1099, 113260), (1570, 79282), (1618, 76930), (2198, 56630), (3140, 39641), (3236, 38465), (4045, 30772), (4396, 28315), (5495, 22652), (5663, 21980), (7693, 16180), (8090, 15386), (10990, 11326)]