380067980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{3203}}^1$

素因数の和:3578

約数の個数: 48

約数和(自身を含む): 847778400

約数和(自身を除く): 467710420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 349, 698, 1396, 1745, 3203, 3490, 5933, 6406, 6980, 11866, 12812, 16015, 23732, 29665, 32030, 54451, 59330, 64060, 108902, 118660, 217804, 272255, 544510, 1089020, 1117847, 2235694, 4471388, 5589235, 11178470, 19003399, 22356940, 38006798, 76013596, 95016995, 190033990, 380067980]

約数ペア:

[(1, 380067980), (2, 190033990), (4, 95016995), (5, 76013596), (10, 38006798), (17, 22356940), (20, 19003399), (34, 11178470), (68, 5589235), (85, 4471388), (170, 2235694), (340, 1117847), (349, 1089020), (698, 544510), (1396, 272255), (1745, 217804), (3203, 118660), (3490, 108902), (5933, 64060), (6406, 59330), (6980, 54451), (11866, 32030), (12812, 29665), (16015, 23732)]