197827980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:408

約数の個数: 192

約数和(自身を含む): 679311360

約数和(自身を除く): 481483380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 103, 105, 119, 140, 170, 204, 206, 210, 238, 255, 269, 309, 340, 357, 412, 420, 476, 510, 515, 538, 595, 618, 714, 721, 807, 1020, 1030, 1076, 1190, 1236, 1345, 1428, 1442, 1545, 1614, 1751, 1785, 1883, 2060, 2163, 2380, 2690, 2884, 3090, 3228, 3502, 3570, 3605, 3766, 4035, 4326, 4573, 5253, 5380, 5649, 6180, 7004, 7140, 7210, 7532, 8070, 8652, 8755, 9146, 9415, 10506, 10815, 11298, 12257, 13719, 14420, 16140, 17510, 18292, 18830, 21012, 21630, 22596, 22865, 24514, 26265, 27438, 27707, 28245, 32011, 35020, 36771, 37660, 43260, 45730, 49028, 52530, 54876, 55414, 56490, 61285, 64022, 68595, 73542, 83121, 91460, 96033, 105060, 110828, 112980, 122570, 128044, 137190, 138535, 147084, 160055, 166242, 183855, 192066, 193949, 245140, 274380, 277070, 320110, 332484, 367710, 384132, 387898, 415605, 471019, 480165, 554140, 581847, 640220, 735420, 775796, 831210, 942038, 960330, 969745, 1163694, 1413057, 1662420, 1884076, 1920660, 1939490, 2327388, 2355095, 2826114, 2909235, 3297133, 3878980, 4710190, 5652228, 5818470, 6594266, 7065285, 9420380, 9891399, 11636940, 13188532, 14130570, 16485665, 19782798, 28261140, 32971330, 39565596, 49456995, 65942660, 98913990, 197827980]

約数ペア:

[(1, 197827980), (2, 98913990), (3, 65942660), (4, 49456995), (5, 39565596), (6, 32971330), (7, 28261140), (10, 19782798), (12, 16485665), (14, 14130570), (15, 13188532), (17, 11636940), (20, 9891399), (21, 9420380), (28, 7065285), (30, 6594266), (34, 5818470), (35, 5652228), (42, 4710190), (51, 3878980), (60, 3297133), (68, 2909235), (70, 2826114), (84, 2355095), (85, 2327388), (102, 1939490), (103, 1920660), (105, 1884076), (119, 1662420), (140, 1413057), (170, 1163694), (204, 969745), (206, 960330), (210, 942038), (238, 831210), (255, 775796), (269, 735420), (309, 640220), (340, 581847), (357, 554140), (412, 480165), (420, 471019), (476, 415605), (510, 387898), (515, 384132), (538, 367710), (595, 332484), (618, 320110), (714, 277070), (721, 274380), (807, 245140), (1020, 193949), (1030, 192066), (1076, 183855), (1190, 166242), (1236, 160055), (1345, 147084), (1428, 138535), (1442, 137190), (1545, 128044), (1614, 122570), (1751, 112980), (1785, 110828), (1883, 105060), (2060, 96033), (2163, 91460), (2380, 83121), (2690, 73542), (2884, 68595), (3090, 64022), (3228, 61285), (3502, 56490), (3570, 55414), (3605, 54876), (3766, 52530), (4035, 49028), (4326, 45730), (4573, 43260), (5253, 37660), (5380, 36771), (5649, 35020), (6180, 32011), (7004, 28245), (7140, 27707), (7210, 27438), (7532, 26265), (8070, 24514), (8652, 22865), (8755, 22596), (9146, 21630), (9415, 21012), (10506, 18830), (10815, 18292), (11298, 17510), (12257, 16140), (13719, 14420)]