205920210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{347}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 502723584

約数和(自身を除く): 296803374

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 151, 262, 302, 347, 393, 453, 655, 694, 755, 786, 906, 1041, 1310, 1510, 1735, 1965, 2082, 2265, 3470, 3930, 4530, 5205, 10410, 19781, 39562, 45457, 52397, 59343, 90914, 98905, 104794, 118686, 136371, 157191, 197810, 227285, 261985, 272742, 296715, 314382, 454570, 523970, 593430, 681855, 785955, 1363710, 1571910, 6864007, 13728014, 20592021, 34320035, 41184042, 68640070, 102960105, 205920210]

約数ペア:

[(1, 205920210), (2, 102960105), (3, 68640070), (5, 41184042), (6, 34320035), (10, 20592021), (15, 13728014), (30, 6864007), (131, 1571910), (151, 1363710), (262, 785955), (302, 681855), (347, 593430), (393, 523970), (453, 454570), (655, 314382), (694, 296715), (755, 272742), (786, 261985), (906, 227285), (1041, 197810), (1310, 157191), (1510, 136371), (1735, 118686), (1965, 104794), (2082, 98905), (2265, 90914), (3470, 59343), (3930, 52397), (4530, 45457), (5205, 39562), (10410, 19781)]