209251240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 573350400

約数和(自身を除く): 364099160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 29, 31, 40, 44, 46, 55, 58, 62, 88, 92, 110, 115, 116, 124, 145, 155, 184, 220, 230, 232, 248, 253, 290, 310, 319, 341, 440, 460, 506, 529, 580, 620, 638, 667, 682, 713, 899, 920, 1012, 1058, 1160, 1240, 1265, 1276, 1334, 1364, 1426, 1595, 1705, 1798, 2024, 2116, 2530, 2552, 2645, 2668, 2728, 2852, 3190, 3335, 3410, 3565, 3596, 4232, 4495, 5060, 5290, 5336, 5704, 5819, 6380, 6670, 6820, 7130, 7192, 7337, 7843, 8990, 9889, 10120, 10580, 11638, 12760, 13340, 13640, 14260, 14674, 15341, 15686, 16399, 17980, 19778, 20677, 21160, 23276, 26680, 28520, 29095, 29348, 30682, 31372, 32798, 35960, 36685, 39215, 39556, 41354, 46552, 49445, 58190, 58696, 61364, 62744, 65596, 73370, 76705, 78430, 79112, 81995, 82708, 98890, 103385, 116380, 122728, 131192, 146740, 153410, 156860, 163990, 165416, 168751, 180389, 197780, 206770, 227447, 232760, 293480, 306820, 313720, 327980, 337502, 360778, 395560, 413540, 454894, 475571, 613640, 655960, 675004, 721556, 827080, 843755, 901945, 909788, 951142, 1137235, 1350008, 1443112, 1687510, 1803890, 1819576, 1902284, 2274470, 2377855, 3375020, 3607780, 3804568, 4548940, 4755710, 5231281, 6750040, 7215560, 9097880, 9511420, 10462562, 19022840, 20925124, 26156405, 41850248, 52312810, 104625620, 209251240]

約数ペア:

[(1, 209251240), (2, 104625620), (4, 52312810), (5, 41850248), (8, 26156405), (10, 20925124), (11, 19022840), (20, 10462562), (22, 9511420), (23, 9097880), (29, 7215560), (31, 6750040), (40, 5231281), (44, 4755710), (46, 4548940), (55, 3804568), (58, 3607780), (62, 3375020), (88, 2377855), (92, 2274470), (110, 1902284), (115, 1819576), (116, 1803890), (124, 1687510), (145, 1443112), (155, 1350008), (184, 1137235), (220, 951142), (230, 909788), (232, 901945), (248, 843755), (253, 827080), (290, 721556), (310, 675004), (319, 655960), (341, 613640), (440, 475571), (460, 454894), (506, 413540), (529, 395560), (580, 360778), (620, 337502), (638, 327980), (667, 313720), (682, 306820), (713, 293480), (899, 232760), (920, 227447), (1012, 206770), (1058, 197780), (1160, 180389), (1240, 168751), (1265, 165416), (1276, 163990), (1334, 156860), (1364, 153410), (1426, 146740), (1595, 131192), (1705, 122728), (1798, 116380), (2024, 103385), (2116, 98890), (2530, 82708), (2552, 81995), (2645, 79112), (2668, 78430), (2728, 76705), (2852, 73370), (3190, 65596), (3335, 62744), (3410, 61364), (3565, 58696), (3596, 58190), (4232, 49445), (4495, 46552), (5060, 41354), (5290, 39556), (5336, 39215), (5704, 36685), (5819, 35960), (6380, 32798), (6670, 31372), (6820, 30682), (7130, 29348), (7192, 29095), (7337, 28520), (7843, 26680), (8990, 23276), (9889, 21160), (10120, 20677), (10580, 19778), (11638, 17980), (12760, 16399), (13340, 15686), (13640, 15341), (14260, 14674)]