219772280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 613872000

約数和(自身を除く): 394099720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 173, 182, 260, 280, 346, 349, 364, 455, 520, 692, 698, 728, 865, 910, 1211, 1384, 1396, 1730, 1745, 1820, 2249, 2422, 2443, 2792, 3460, 3490, 3640, 4498, 4537, 4844, 4886, 6055, 6920, 6980, 8996, 9074, 9688, 9772, 11245, 12110, 12215, 13960, 15743, 17992, 18148, 19544, 22490, 22685, 24220, 24430, 31486, 31759, 36296, 44980, 45370, 48440, 48860, 60377, 62972, 63518, 78715, 89960, 90740, 97720, 120754, 125944, 127036, 157430, 158795, 181480, 241508, 254072, 301885, 314860, 317590, 422639, 483016, 603770, 629720, 635180, 784901, 845278, 1207540, 1270360, 1569802, 1690556, 2113195, 2415080, 3139604, 3381112, 3924505, 4226390, 5494307, 6279208, 7849010, 8452780, 10988614, 15698020, 16905560, 21977228, 27471535, 31396040, 43954456, 54943070, 109886140, 219772280]

約数ペア:

[(1, 219772280), (2, 109886140), (4, 54943070), (5, 43954456), (7, 31396040), (8, 27471535), (10, 21977228), (13, 16905560), (14, 15698020), (20, 10988614), (26, 8452780), (28, 7849010), (35, 6279208), (40, 5494307), (52, 4226390), (56, 3924505), (65, 3381112), (70, 3139604), (91, 2415080), (104, 2113195), (130, 1690556), (140, 1569802), (173, 1270360), (182, 1207540), (260, 845278), (280, 784901), (346, 635180), (349, 629720), (364, 603770), (455, 483016), (520, 422639), (692, 317590), (698, 314860), (728, 301885), (865, 254072), (910, 241508), (1211, 181480), (1384, 158795), (1396, 157430), (1730, 127036), (1745, 125944), (1820, 120754), (2249, 97720), (2422, 90740), (2443, 89960), (2792, 78715), (3460, 63518), (3490, 62972), (3640, 60377), (4498, 48860), (4537, 48440), (4844, 45370), (4886, 44980), (6055, 36296), (6920, 31759), (6980, 31486), (8996, 24430), (9074, 24220), (9688, 22685), (9772, 22490), (11245, 19544), (12110, 18148), (12215, 17992), (13960, 15743)]