420909500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{743}}^1$

素因数の和:876

約数の個数: 96

約数和(自身を含む): 1013935104

約数和(自身を除く): 593025604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 103, 110, 125, 206, 220, 250, 275, 412, 500, 515, 550, 743, 1030, 1100, 1133, 1375, 1486, 2060, 2266, 2575, 2750, 2972, 3715, 4532, 5150, 5500, 5665, 7430, 8173, 10300, 11330, 12875, 14860, 16346, 18575, 22660, 25750, 28325, 32692, 37150, 40865, 51500, 56650, 74300, 76529, 81730, 92875, 113300, 141625, 153058, 163460, 185750, 204325, 283250, 306116, 371500, 382645, 408650, 566500, 765290, 817300, 841819, 1021625, 1530580, 1683638, 1913225, 2043250, 3367276, 3826450, 4086500, 4209095, 7652900, 8418190, 9566125, 16836380, 19132250, 21045475, 38264500, 42090950, 84181900, 105227375, 210454750, 420909500]

約数ペア:

[(1, 420909500), (2, 210454750), (4, 105227375), (5, 84181900), (10, 42090950), (11, 38264500), (20, 21045475), (22, 19132250), (25, 16836380), (44, 9566125), (50, 8418190), (55, 7652900), (100, 4209095), (103, 4086500), (110, 3826450), (125, 3367276), (206, 2043250), (220, 1913225), (250, 1683638), (275, 1530580), (412, 1021625), (500, 841819), (515, 817300), (550, 765290), (743, 566500), (1030, 408650), (1100, 382645), (1133, 371500), (1375, 306116), (1486, 283250), (2060, 204325), (2266, 185750), (2575, 163460), (2750, 153058), (2972, 141625), (3715, 113300), (4532, 92875), (5150, 81730), (5500, 76529), (5665, 74300), (7430, 56650), (8173, 51500), (10300, 40865), (11330, 37150), (12875, 32692), (14860, 28325), (16346, 25750), (18575, 22660)]