648049150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:303

約数の個数: 144

約数和(自身を含む): 1523902464

約数和(自身を除く): 875853314

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 25, 35, 38, 46, 50, 70, 95, 115, 133, 161, 175, 190, 223, 230, 266, 322, 350, 361, 437, 446, 475, 575, 665, 722, 805, 874, 950, 1115, 1150, 1330, 1561, 1610, 1805, 2185, 2230, 2527, 3059, 3122, 3325, 3610, 4025, 4237, 4370, 5054, 5129, 5575, 6118, 6650, 7805, 8050, 8303, 8474, 9025, 10258, 10925, 11150, 12635, 15295, 15610, 16606, 18050, 21185, 21850, 25270, 25645, 29659, 30590, 35903, 39025, 41515, 42370, 51290, 58121, 59318, 63175, 71806, 76475, 78050, 80503, 83030, 97451, 105925, 116242, 126350, 128225, 148295, 152950, 161006, 179515, 194902, 207575, 211850, 256450, 290605, 296590, 359030, 402515, 415150, 487255, 563521, 581210, 682157, 741475, 805030, 897575, 974510, 1127042, 1364314, 1453025, 1482950, 1795150, 1851569, 2012575, 2436275, 2817605, 2906050, 3410785, 3703138, 4025150, 4872550, 5635210, 6821570, 9257845, 12960983, 14088025, 17053925, 18515690, 25921966, 28176050, 34107850, 46289225, 64804915, 92578450, 129609830, 324024575, 648049150]

約数ペア:

[(1, 648049150), (2, 324024575), (5, 129609830), (7, 92578450), (10, 64804915), (14, 46289225), (19, 34107850), (23, 28176050), (25, 25921966), (35, 18515690), (38, 17053925), (46, 14088025), (50, 12960983), (70, 9257845), (95, 6821570), (115, 5635210), (133, 4872550), (161, 4025150), (175, 3703138), (190, 3410785), (223, 2906050), (230, 2817605), (266, 2436275), (322, 2012575), (350, 1851569), (361, 1795150), (437, 1482950), (446, 1453025), (475, 1364314), (575, 1127042), (665, 974510), (722, 897575), (805, 805030), (874, 741475), (950, 682157), (1115, 581210), (1150, 563521), (1330, 487255), (1561, 415150), (1610, 402515), (1805, 359030), (2185, 296590), (2230, 290605), (2527, 256450), (3059, 211850), (3122, 207575), (3325, 194902), (3610, 179515), (4025, 161006), (4237, 152950), (4370, 148295), (5054, 128225), (5129, 126350), (5575, 116242), (6118, 105925), (6650, 97451), (7805, 83030), (8050, 80503), (8303, 78050), (8474, 76475), (9025, 71806), (10258, 63175), (10925, 59318), (11150, 58121), (12635, 51290), (15295, 42370), (15610, 41515), (16606, 39025), (18050, 35903), (21185, 30590), (21850, 29659), (25270, 25645)]