28767710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 59097600

約数和(自身を除く): 30329890

約数列:

[1, 2, 5, 10, 19, 23, 29, 38, 46, 58, 95, 115, 145, 190, 227, 230, 290, 437, 454, 551, 667, 874, 1102, 1135, 1334, 2185, 2270, 2755, 3335, 4313, 4370, 5221, 5510, 6583, 6670, 8626, 10442, 12673, 13166, 21565, 25346, 26105, 32915, 43130, 52210, 63365, 65830, 99199, 125077, 126730, 151409, 198398, 250154, 302818, 495995, 625385, 757045, 991990, 1250770, 1514090, 2876771, 5753542, 14383855, 28767710]

約数ペア:

[(1, 28767710), (2, 14383855), (5, 5753542), (10, 2876771), (19, 1514090), (23, 1250770), (29, 991990), (38, 757045), (46, 625385), (58, 495995), (95, 302818), (115, 250154), (145, 198398), (190, 151409), (227, 126730), (230, 125077), (290, 99199), (437, 65830), (454, 63365), (551, 52210), (667, 43130), (874, 32915), (1102, 26105), (1135, 25346), (1334, 21565), (2185, 13166), (2270, 12673), (2755, 10442), (3335, 8626), (4313, 6670), (4370, 6583), (5221, 5510)]