28869170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{727}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 59911488

約数和(自身を除く): 31042318

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 361, 418, 722, 727, 1045, 1454, 1805, 2090, 3610, 3635, 3971, 7270, 7942, 7997, 13813, 15994, 19855, 27626, 39710, 39985, 69065, 79970, 138130, 151943, 262447, 303886, 524894, 759715, 1312235, 1519430, 2624470, 2886917, 5773834, 14434585, 28869170]

約数ペア:

[(1, 28869170), (2, 14434585), (5, 5773834), (10, 2886917), (11, 2624470), (19, 1519430), (22, 1312235), (38, 759715), (55, 524894), (95, 303886), (110, 262447), (190, 151943), (209, 138130), (361, 79970), (418, 69065), (722, 39985), (727, 39710), (1045, 27626), (1454, 19855), (1805, 15994), (2090, 13813), (3610, 7997), (3635, 7942), (3971, 7270)]