38991990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1021}}^1$

素因数の和:1117

約数の個数: 64

約数和(自身を含む): 100074240

約数和(自身を除く): 61082250

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 67, 95, 114, 134, 190, 201, 285, 335, 402, 570, 670, 1005, 1021, 1273, 2010, 2042, 2546, 3063, 3819, 5105, 6126, 6365, 7638, 10210, 12730, 15315, 19095, 19399, 30630, 38190, 38798, 58197, 68407, 96995, 116394, 136814, 193990, 205221, 290985, 342035, 410442, 581970, 684070, 1026105, 1299733, 2052210, 2599466, 3899199, 6498665, 7798398, 12997330, 19495995, 38991990]

約数ペア:

[(1, 38991990), (2, 19495995), (3, 12997330), (5, 7798398), (6, 6498665), (10, 3899199), (15, 2599466), (19, 2052210), (30, 1299733), (38, 1026105), (57, 684070), (67, 581970), (95, 410442), (114, 342035), (134, 290985), (190, 205221), (201, 193990), (285, 136814), (335, 116394), (402, 96995), (570, 68407), (670, 58197), (1005, 38798), (1021, 38190), (1273, 30630), (2010, 19399), (2042, 19095), (2546, 15315), (3063, 12730), (3819, 10210), (5105, 7638), (6126, 6365)]