221111100

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{11699}}^1$

素因数の和:11729

約数の個数: 144

約数和(自身を含む): 812448000

約数和(自身を除く): 591336900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4725, 6300, 9450, 11699, 18900, 23398, 35097, 46796, 58495, 70194, 81893, 105291, 116990, 140388, 163786, 175485, 210582, 233980, 245679, 292475, 315873, 327572, 350970, 409465, 421164, 491358, 526455, 584950, 631746, 701940, 737037, 818930, 877425, 982716, 1052910, 1169900, 1228395, 1263492, 1474074, 1579365, 1637860, 1754850, 2047325, 2105820, 2211111, 2456790, 2632275, 2948148, 3158730, 3509700, 3685185, 4094650, 4422222, 4913580, 5264550, 6141975, 6317460, 7370370, 7896825, 8189300, 8844444, 10529100, 11055555, 12283950, 14740740, 15793650, 18425925, 22111110, 24567900, 31587300, 36851850, 44222220, 55277775, 73703700, 110555550, 221111100]

約数ペア:

[(1, 221111100), (2, 110555550), (3, 73703700), (4, 55277775), (5, 44222220), (6, 36851850), (7, 31587300), (9, 24567900), (10, 22111110), (12, 18425925), (14, 15793650), (15, 14740740), (18, 12283950), (20, 11055555), (21, 10529100), (25, 8844444), (27, 8189300), (28, 7896825), (30, 7370370), (35, 6317460), (36, 6141975), (42, 5264550), (45, 4913580), (50, 4422222), (54, 4094650), (60, 3685185), (63, 3509700), (70, 3158730), (75, 2948148), (84, 2632275), (90, 2456790), (100, 2211111), (105, 2105820), (108, 2047325), (126, 1754850), (135, 1637860), (140, 1579365), (150, 1474074), (175, 1263492), (180, 1228395), (189, 1169900), (210, 1052910), (225, 982716), (252, 877425), (270, 818930), (300, 737037), (315, 701940), (350, 631746), (378, 584950), (420, 526455), (450, 491358), (525, 421164), (540, 409465), (630, 350970), (675, 327572), (700, 315873), (756, 292475), (900, 245679), (945, 233980), (1050, 210582), (1260, 175485), (1350, 163786), (1575, 140388), (1890, 116990), (2100, 105291), (2700, 81893), (3150, 70194), (3780, 58495), (4725, 46796), (6300, 35097), (9450, 23398), (11699, 18900)]