218999700

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1423}}^1$

素因数の和:1468

約数の個数: 180

約数和(自身を含む): 747799360

約数和(自身を除く): 528799660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 81, 90, 95, 100, 108, 114, 135, 150, 162, 171, 180, 190, 225, 228, 270, 285, 300, 324, 342, 380, 405, 450, 475, 513, 540, 570, 675, 684, 810, 855, 900, 950, 1026, 1140, 1350, 1423, 1425, 1539, 1620, 1710, 1900, 2025, 2052, 2565, 2700, 2846, 2850, 3078, 3420, 4050, 4269, 4275, 5130, 5692, 5700, 6156, 7115, 7695, 8100, 8538, 8550, 10260, 12807, 12825, 14230, 15390, 17076, 17100, 21345, 25614, 25650, 27037, 28460, 30780, 35575, 38421, 38475, 42690, 51228, 51300, 54074, 64035, 71150, 76842, 76950, 81111, 85380, 106725, 108148, 115263, 128070, 135185, 142300, 153684, 153900, 162222, 192105, 213450, 230526, 243333, 256140, 270370, 320175, 324444, 384210, 405555, 426900, 461052, 486666, 540740, 576315, 640350, 675925, 729999, 768420, 811110, 960525, 973332, 1152630, 1216665, 1280700, 1351850, 1459998, 1622220, 1921050, 2027775, 2189997, 2305260, 2433330, 2703700, 2881575, 2919996, 3649995, 3842100, 4055550, 4379994, 4866660, 5763150, 6083325, 7299990, 8111100, 8759988, 10949985, 11526300, 12166650, 14599980, 18249975, 21899970, 24333300, 36499950, 43799940, 54749925, 72999900, 109499850, 218999700]

約数ペア:

[(1, 218999700), (2, 109499850), (3, 72999900), (4, 54749925), (5, 43799940), (6, 36499950), (9, 24333300), (10, 21899970), (12, 18249975), (15, 14599980), (18, 12166650), (19, 11526300), (20, 10949985), (25, 8759988), (27, 8111100), (30, 7299990), (36, 6083325), (38, 5763150), (45, 4866660), (50, 4379994), (54, 4055550), (57, 3842100), (60, 3649995), (75, 2919996), (76, 2881575), (81, 2703700), (90, 2433330), (95, 2305260), (100, 2189997), (108, 2027775), (114, 1921050), (135, 1622220), (150, 1459998), (162, 1351850), (171, 1280700), (180, 1216665), (190, 1152630), (225, 973332), (228, 960525), (270, 811110), (285, 768420), (300, 729999), (324, 675925), (342, 640350), (380, 576315), (405, 540740), (450, 486666), (475, 461052), (513, 426900), (540, 405555), (570, 384210), (675, 324444), (684, 320175), (810, 270370), (855, 256140), (900, 243333), (950, 230526), (1026, 213450), (1140, 192105), (1350, 162222), (1423, 153900), (1425, 153684), (1539, 142300), (1620, 135185), (1710, 128070), (1900, 115263), (2025, 108148), (2052, 106725), (2565, 85380), (2700, 81111), (2846, 76950), (2850, 76842), (3078, 71150), (3420, 64035), (4050, 54074), (4269, 51300), (4275, 51228), (5130, 42690), (5692, 38475), (5700, 38421), (6156, 35575), (7115, 30780), (7695, 28460), (8100, 27037), (8538, 25650), (8550, 25614), (10260, 21345), (12807, 17100), (12825, 17076), (14230, 15390)]