28961900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 69464304

約数和(自身を除く): 40502404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 113, 220, 226, 233, 275, 452, 466, 550, 565, 932, 1100, 1130, 1165, 1243, 2260, 2330, 2486, 2563, 2825, 4660, 4972, 5126, 5650, 5825, 6215, 10252, 11300, 11650, 12430, 12815, 23300, 24860, 25630, 26329, 31075, 51260, 52658, 62150, 64075, 105316, 124300, 128150, 131645, 256300, 263290, 289619, 526580, 579238, 658225, 1158476, 1316450, 1448095, 2632900, 2896190, 5792380, 7240475, 14480950, 28961900]

約数ペア:

[(1, 28961900), (2, 14480950), (4, 7240475), (5, 5792380), (10, 2896190), (11, 2632900), (20, 1448095), (22, 1316450), (25, 1158476), (44, 658225), (50, 579238), (55, 526580), (100, 289619), (110, 263290), (113, 256300), (220, 131645), (226, 128150), (233, 124300), (275, 105316), (452, 64075), (466, 62150), (550, 52658), (565, 51260), (932, 31075), (1100, 26329), (1130, 25630), (1165, 24860), (1243, 23300), (2260, 12815), (2330, 12430), (2486, 11650), (2563, 11300), (2825, 10252), (4660, 6215), (4972, 5825), (5126, 5650)]