201975710

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{991}}^1$

素因数の和:1316

約数の個数: 32

約数和(自身を含む): 369619200

約数和(自身を除く): 167643490

約数列:

[1, 2, 5, 10, 89, 178, 229, 445, 458, 890, 991, 1145, 1982, 2290, 4955, 9910, 20381, 40762, 88199, 101905, 176398, 203810, 226939, 440995, 453878, 881990, 1134695, 2269390, 20197571, 40395142, 100987855, 201975710]

約数ペア:

[(1, 201975710), (2, 100987855), (5, 40395142), (10, 20197571), (89, 2269390), (178, 1134695), (229, 881990), (445, 453878), (458, 440995), (890, 226939), (991, 203810), (1145, 176398), (1982, 101905), (2290, 88199), (4955, 40762), (9910, 20381)]