209975220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4273}}^1$

素因数の和:4311

約数の個数: 192

約数和(自身を含む): 804195840

約数和(自身を除く): 594220620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1638, 1755, 1820, 1890, 2340, 2457, 2730, 3276, 3510, 3780, 4095, 4273, 4914, 5460, 7020, 8190, 8546, 9828, 12285, 12819, 16380, 17092, 21365, 24570, 25638, 29911, 38457, 42730, 49140, 51276, 55549, 59822, 64095, 76914, 85460, 89733, 111098, 115371, 119644, 128190, 149555, 153828, 166647, 179466, 192285, 222196, 230742, 256380, 269199, 277745, 299110, 333294, 358932, 384570, 388843, 448665, 461484, 499941, 538398, 555490, 576855, 598220, 666588, 769140, 777686, 807597, 833235, 897330, 999882, 1076796, 1110980, 1153710, 1166529, 1345995, 1499823, 1555372, 1615194, 1666470, 1794660, 1944215, 1999764, 2307420, 2333058, 2499705, 2691990, 2999646, 3230388, 3332940, 3499587, 3888430, 4037985, 4666116, 4999410, 5383980, 5832645, 5999292, 6999174, 7499115, 7776860, 8075970, 9998820, 10498761, 11665290, 13998348, 14998230, 16151940, 17497935, 20997522, 23330580, 29996460, 34995870, 41995044, 52493805, 69991740, 104987610, 209975220]

約数ペア:

[(1, 209975220), (2, 104987610), (3, 69991740), (4, 52493805), (5, 41995044), (6, 34995870), (7, 29996460), (9, 23330580), (10, 20997522), (12, 17497935), (13, 16151940), (14, 14998230), (15, 13998348), (18, 11665290), (20, 10498761), (21, 9998820), (26, 8075970), (27, 7776860), (28, 7499115), (30, 6999174), (35, 5999292), (36, 5832645), (39, 5383980), (42, 4999410), (45, 4666116), (52, 4037985), (54, 3888430), (60, 3499587), (63, 3332940), (65, 3230388), (70, 2999646), (78, 2691990), (84, 2499705), (90, 2333058), (91, 2307420), (105, 1999764), (108, 1944215), (117, 1794660), (126, 1666470), (130, 1615194), (135, 1555372), (140, 1499823), (156, 1345995), (180, 1166529), (182, 1153710), (189, 1110980), (195, 1076796), (210, 999882), (234, 897330), (252, 833235), (260, 807597), (270, 777686), (273, 769140), (315, 666588), (351, 598220), (364, 576855), (378, 555490), (390, 538398), (420, 499941), (455, 461484), (468, 448665), (540, 388843), (546, 384570), (585, 358932), (630, 333294), (702, 299110), (756, 277745), (780, 269199), (819, 256380), (910, 230742), (945, 222196), (1092, 192285), (1170, 179466), (1260, 166647), (1365, 153828), (1404, 149555), (1638, 128190), (1755, 119644), (1820, 115371), (1890, 111098), (2340, 89733), (2457, 85460), (2730, 76914), (3276, 64095), (3510, 59822), (3780, 55549), (4095, 51276), (4273, 49140), (4914, 42730), (5460, 38457), (7020, 29911), (8190, 25638), (8546, 24570), (9828, 21365), (12285, 17092), (12819, 16380)]