156640370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{1861}}^1$

素因数の和:2330

約数の個数: 32

約数和(自身を含む): 297622080

約数和(自身を除く): 140981710

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 443, 886, 1861, 2215, 3722, 4430, 8417, 9305, 16834, 18610, 35359, 42085, 70718, 84170, 176795, 353590, 824423, 1648846, 4122115, 8244230, 15664037, 31328074, 78320185, 156640370]

約数ペア:

[(1, 156640370), (2, 78320185), (5, 31328074), (10, 15664037), (19, 8244230), (38, 4122115), (95, 1648846), (190, 824423), (443, 353590), (886, 176795), (1861, 84170), (2215, 70718), (3722, 42085), (4430, 35359), (8417, 18610), (9305, 16834)]