281228200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{11621}}^1$

素因数の和:11659

約数の個数: 72

約数和(自身を含む): 718762590

約数和(自身を除く): 437534390

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 968, 1100, 1210, 2200, 2420, 3025, 4840, 6050, 11621, 12100, 23242, 24200, 46484, 58105, 92968, 116210, 127831, 232420, 255662, 290525, 464840, 511324, 581050, 639155, 1022648, 1162100, 1278310, 1406141, 2324200, 2556620, 2812282, 3195775, 5113240, 5624564, 6391550, 7030705, 11249128, 12783100, 14061410, 25566200, 28122820, 35153525, 56245640, 70307050, 140614100, 281228200]

約数ペア:

[(1, 281228200), (2, 140614100), (4, 70307050), (5, 56245640), (8, 35153525), (10, 28122820), (11, 25566200), (20, 14061410), (22, 12783100), (25, 11249128), (40, 7030705), (44, 6391550), (50, 5624564), (55, 5113240), (88, 3195775), (100, 2812282), (110, 2556620), (121, 2324200), (200, 1406141), (220, 1278310), (242, 1162100), (275, 1022648), (440, 639155), (484, 581050), (550, 511324), (605, 464840), (968, 290525), (1100, 255662), (1210, 232420), (2200, 127831), (2420, 116210), (3025, 92968), (4840, 58105), (6050, 46484), (11621, 24200), (12100, 23242)]